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Sapphire Crystal

Mohs-9 synthetic corundum, the default crystal on serious watches since the 1970s.

Hands On: Audemars Piguet Royal Oak Chronograph 38 mm SJX Watches
Audemars Piguet Royal Oak Chronograph 38 Feb 13, 2026

Hands On: Audemars Piguet Royal Oak Chronograph 38 mm

One of the longest tenured models in the Audemars Piguet (AP) catalogue, the Royal Oak Selfwinding Chronograph 38 mm has been upgraded with a new manufacture calibre and sapphire case back for the first time, while only slightly tweaking the iconic design and price tag. Inside the new ref. 26450 is the cal. 6401 that incorporates with welcome quality-of-life improvements such as a longer power reserve, higher beat rate, and instantaneous date. The new movement accomplishes all of this without significant tradeoffs in size, but it arguably falls somewhat short in aesthetics. Minor shortcomings aside, the modestly sized Royal Oak Chronograph is a strong offering that enters the field at the top of its class. Initial thoughts In the same fashion as last year’s updated Royal Oak Perpetual Calendar, the new 38 mm Royal Oak Chronograph takes an evolutionary, rather than revolutionary, step forward, being essentially the same watch, only better. AP clearly knows better than to mess with a winning formula, but the brand also faced challenges, both in manufacturing and customer experience, that came with a nearly four-decade-old movement platform, sourced from Swatch Group no less. The changes are slight, even insignificant at first glance, but are the sort things that come to be appreciated with long-term ownership, especially within a smaller collection where increases in power reserve and performance are most noticeable. It even looks slightly better – the dial is less cram...

Vacheron Constantin Introduces A New Overseas Tourbillon In Titanium With A Deep Red Dial Fratello
Vacheron Constantin Introduces Feb 7, 2026

Vacheron Constantin Introduces A New Overseas Tourbillon In Titanium With A Deep Red Dial

Vacheron Constantin unveils a new Overseas Tourbillon model with a captivating deep red sunburst dial. The aperture at 6 o’clock provides an unobstructed view of the tourbillon regulator, with the 22K gold peripheral rotor allowing light through the case back’s sapphire display. This model is the third iteration of the Overseas Tourbillon in a Grade […] Visit Vacheron Constantin Introduces A New Overseas Tourbillon In Titanium With A Deep Red Dial to read the full article.

Audemars Piguet Upgrades the Royal Oak Chronograph 38 mm SJX Watches
Audemars Piguet Upgrades Feb 4, 2026

Audemars Piguet Upgrades the Royal Oak Chronograph 38 mm

Audemars Piguet (AP) updates the Royal Oak Selfwinding Chronograph 38 mm with a new manufacture calibre, sapphire display back, while slightly tweaking the iconic design – and retaining the price of its predecessor. The new cal. 6401 comes with welcome quality-of-life improvements such as a longer power reserve and instantaneous date without tradeoffs in wearability, beat rate, or even cost, making this compact chronograph one of the most sensible and compelling offerings in the Royal Oak line. Initial Thoughts AP debuted the first Royal Oak chronograph in 1997 and it was powered by the Frederic Piguet cal. 1185, a landmark movement for automatic chronograph design. Now, nearly three decades later, AP is a true industrialised manufacture, and the cal. 1185 has been replaced with the new cal. 6401, a modern movement that with meaningful upgrades under the hood. This also comes with some minute tweaks to the dial and a crowd pleasing display case back, while the case and bracelet remain as excellent as always. Laudably, this comes without a significant price increase, with the new Royal Oak Chronograph 38 mm in steel costing only 3.6% more than its predecessor. New Engine AP’s new cal. 6401 is a solidly-spec’ed movement despite being small and thin for a modern chronograph. It’s wide and taller than the Frederic Piguet cal. 1185 but only slightly. It is 27 mm in diameter (up from 26.2 mm) and 5.7 mm tall (up from 5.5 mm) though even with the addition of a sapphire ...

First Look – The New Hublot Big Bang and Spirit of Big Bang Coal Blue Collection Monochrome
Hublot Big Bang Jan 21, 2026

First Look – The New Hublot Big Bang and Spirit of Big Bang Coal Blue Collection

Few brands embrace colour and material innovation quite like Hublot. Since the original Big Bang in 2005, it has explored every imaginable fusion, from sapphire, ceramic, and carbon to precious metals, often paired with interesting chromatic tones. Think vivid Big Bang Tourbillon Automatic Green SAXEM, ice-cold sapphire or titanium with chilly white ceramic of the […]

New: IWC Portugieser Automatic 42 Year of the Horse Deployant
IWC Portugieser Automatic 42 Year Jan 10, 2026

New: IWC Portugieser Automatic 42 Year of the Horse

The Limited-Edition Portugieser Automatic 42 Year of the Horse is a commemorative timepiece released by IWC Schaffhausen to mark the upcoming Lunar New Year. Limited to 500 pieces, it features a 42.4mm stainless steel case, a burgundy dial with gold accents, and the IWC-manufactured 52011 caliber offering a seven-day power reserve. The rotor is shaped like a galloping horse, visible through the sapphire caseback.

Chopard’s Striking Vision Fully Realised – L.U.C Grand Strike SJX Watches
Chopard s Striking Vision Fully Nov 19, 2025

Chopard’s Striking Vision Fully Realised – L.U.C Grand Strike

Chopard marks 30 years of the Chopard Manufacture with the L.U.C Grand Strike – its most ambitious complication to date, a minute repeating clock watch with grande et petite sonnerie striking on a pair of sapphire gongs. This comes on the heels of Chopard’s sister brand, Ferdinand Berthoud’s Naissance d’une Montre 3, making 2025 arguably the most significant year for Chopard, product wise, since the 1997 launch of L.U.C. Initial Thoughts For hundreds of years the sound of clocks coordinated human society. In fact, the very word “clock” comes from the Latin word clocca, meaning bell. Before the noise pollution of the modern day, the bells of clock towers could disseminate accurate time over several miles. It is only that many first complicated the first watches, which were made by clock makers during the 16th century, were equipped with strikes. In 2016 Chopard launched its first self-developed chiming watch, the L.U.C Full Strike, a two-train trip repeater with sapphire gongs. It is not much of a surprise, I’ve multiple people speculate that a grande sonnerie was the next step given the design depictions Chopard made with the Full Strike. Even the name, “Full Strike” sounds like the name of a grande sonnerie, not just a repeater. The Grand Strike is class leading technically, it’s only weakness, the middling strike work power reserve is easily forgiven when considering its size. Aesthetically, however, the watch struggles, at least for me, though the si...

Highlights: Magnificent Matched Sets at Phillips Hong Kong SJX Watches
Glashütte Original Nov 19, 2025

Highlights: Magnificent Matched Sets at Phillips Hong Kong

Matching sets are a motif of Phillips’ upcoming Hong Kong auction, with the most spectacular being the Concord Saratoga Splendour, a set of four minute repeating, high jewellery wristwatches representing the four precious stones – diamond, sapphire, ruby and emerald – each with a distinct movement made by Christophe Claret. Also on offer is a set of three watches from Glashütte Original with Meissen porcelain dials, and a Patek Philippe Pagoda quartet. Lot 857, a matching pair of Bovets depicting Hong Kong harbour by day and by night. Image – Phillips Such sets enjoyed popularity at the top end of the market during the 1980s and 1990s, often centred around the four precious coloured stones, diamonds, emeralds, rubies, and sapphires. Perhaps the ultimate example of the matched set is the most complicated Patek Philippe watch, the Calibre 89, that was originally launched as a set of four in yellow, rose, and white gold, and platinum. Unfortunately, many of these sets have since been split up. Can these three escape that fate? Lots 858 to 862 – Concord Saratoga Splendour Set Concord was one of a few brands that saw great, but ephemeral, success during the 1980s and 1990s, in the same vein as Gerald Genta, Ebel, and Corum. In 1995 Concord launched the Saratoga Exor, a minute repeating tourbillon with perpetual calendar and bimetallic thermometer, set with 15.85 carats of baguette diamonds. With a price tag of CHF2 million, it was probably the second most expensive w...

Lights Out: Christopher Ward Illuminates the Bel Canto Lumière SJX Watches
Christopher Ward Illuminates Nov 13, 2025

Lights Out: Christopher Ward Illuminates the Bel Canto Lumière

The Christopher Ward Bel Canto Lumière builds on the success of the original Bel Canto, which earned praise for being one of the most accessible chiming watches on the market. Its open-worked hour striker module remains the star of the show, combining a tidy architectural layout with a distinctive acoustic signature that sets it apart from anything else in its price segment. The Lumière keeps that mechanical drama intact but takes a futuristic turn with a smoked sapphire dial, luminous blue-green chapter ring, and a matching rubber strap that glows in the dark. The new execution gives the watch a distinctly modern, almost Tron-like character, yet it remains faithful to the core idea that made the Bel Canto a hit: offering a well finished, technically interesting hour striker at a reasonable price. Initial thoughts The Bel Canto made waves upon its release for being a visually dynamic hour striker at a price well below the norm for this complication. Not only cost effective, the hour striker module is neatly designed and well organised on the dial. In this respect, the Bel Canto exceeded previous attempts at making this complication affordable. In other words, it looks as good as it sounds. The last time we saw new dials for the Bel Canto, the brand went the traditional route with laser-etched guilloché and Roman numerals. This time, the Christopher Ward (CW) is going the other way, with a futuristic luminous treatment that extends to the rubber strap, encircling the wr...

The New Ming 37.11 Odyssey Adds a GMT Complication to their Popular Dive Watch Form Factor Worn & Wound
Ming Nov 10, 2025

The New Ming 37.11 Odyssey Adds a GMT Complication to their Popular Dive Watch Form Factor

The latest from Ming is a continuation of their incredibly popular diver lineup, the current incarnation of which began with the 37.09 “Bluefin” and was later followed up with the 37.09 “Uni”. Both of those watches very effectively made use of a dual crown system (one for time setting, one for rotating an internal bezel that is not really a bezel at all), streamlined proportions, and Ming’s expertise in using sapphire and lume for both decorative and functional purposes. The new 37.11 Odyssey is an expansion of the ideas found in the Bluefin and Uni, with an added GMT feature and the option to spec the watch on the absolutely insane Polymesh bracelet. When we had our meeting with Ming earlier this year at Geneva Watch Days, this was the watch that brand founder Ming Thein was wearing on his wrist. I’ll be honest, the Polymesh bracelet kind of stole the show in that presentation, overshadowing the Odyssey just a little, but that’s simply because the Polymesh was a legitimately novel creation, while the Odyssey is something a little more familiar. That’s not a slight, of course. One of the things that makes Ming such an impressive brand is the way a clarity of design runs through each new watch they make, always in conversation with earlier pieces. That’s what helps you identify a watch as a Ming, but it can also mean that certain releases don’t create that vibrational spark of interest that really gets you excited.  That said, the Odyssey is an objectiv...

First Look – The New Mid-Size Jaeger-LeCoultre Reverso Classic Monoface Small Seconds Monochrome
Jaeger-LeCoultre Reverso Classic Monoface Small Oct 21, 2025

First Look – The New Mid-Size Jaeger-LeCoultre Reverso Classic Monoface Small Seconds

Born in 1931 to withstand the rigours of polo and defined by its unmistakable Art Deco geometry, the Jaeger-LeCoultre Reverso has evolved into one of the most enduring designs in watchmaking. Its swivelling steel case, conceived to protect the crystal from stray mallets, remains as ingenious today as it was nearly a century ago. Over […]

New: IWC Limited-Edition Portugieser Automatic 42 Year of the Horse Deployant
IWC Limited-Edition Portugieser Automatic 42 Oct 18, 2025

New: IWC Limited-Edition Portugieser Automatic 42 Year of the Horse

The Limited-Edition Portugieser Automatic 42 Year of the Horse is a commemorative timepiece released by IWC Schaffhausen to mark the upcoming Lunar New Year. Limited to 500 pieces, it features a 42.4mm stainless steel case, a burgundy dial with gold accents, and the IWC-manufactured 52011 caliber offering a seven-day power reserve. The rotor is shaped like a galloping horse, visible through the sapphire caseback. Pricing for this model is listed at approximately €14,800, though regional availability and final retail prices may vary.

Zenith Defies Gravity (Again) to Mark 160 Years SJX Watches
Zenith Defies Gravity Again Oct 14, 2025

Zenith Defies Gravity (Again) to Mark 160 Years

Zenith’s 160th anniversary celebration continues with the Defy Zero G, a sapphire-cased watch equipped with the brand’s latest generation, gimbal-like “Gravity Control” escapement module. Available in either clear or deep blue sapphire – both with a lapis lazuli dial – the 46 mm anniversary model is a literal showcase for the innovative cal. 8812 S, which features a gimballed escapement platform that keeps the balance wheel in a horizontal position at all times. Originally developed in 2008 and refined in 2018, the Zero G mechanism is a modern homage to Zenith’s legacy in competitive chronometry and marine navigation. Initial thoughts Today, the Zenith brand is synonymous with the El Primero chronograph movement, launched back in 1969. But outside of that, the manufacture has always been a major force in Swiss precision watchmaking. For decades the brand regularly took home the top prizes at chronometry trials from Neuchâtel and Teddington. Zenith already paid tribute to its past success in competitive chronometry with the G.F.J. cal. 135, which also features a lapis lazuli dial, but it’s reassuring to see the brand made time to bring out one of its more recent developments for its anniversary year. While the days of chronometry trials are long past, Zenith has still managed to make a name for itself when it comes to the accuracy of wrist-worn timepieces - at least theoretically. Back in 2008 the brand unveiled a curious mechanism, with the escapement fu...

First Look – The Compact ArtyA Luminity Wavy 35mm, with a New Micro-rotor Calibre Monochrome
Oct 13, 2025

First Look – The Compact ArtyA Luminity Wavy 35mm, with a New Micro-rotor Calibre

Not so long ago, this summer, ArtyA, the avant-garde, family-run Geneva atelier steered by Yvan Arpa, launched the Luminity Wavy collection, debuting 40mm timepieces, pairing sculpture-like titanium or full-sapphire cases. Inside was the brand’s first proprietary micro-rotor calibre, AMR-02, developed with the specialist movement maker Telos. The idea was to let movement and light do […]

Five Further Non-Classic Omega Speedmasters Worthy Of Any Collection Fratello
Omega Speedmasters Worthy Oct 7, 2025

Five Further Non-Classic Omega Speedmasters Worthy Of Any Collection

When many collectors think of the Speedmaster, they immediately imagine the classic Moonwatch with its Hesalite crystal, 42mm asymmetrical case, and hand-wound chronograph movement. But for those willing to cast their net wider, the Speedmaster family offers a surprising variety of curves, quirks, and historical detours. So, following the wonderful response to our original article […] Visit Five Further Non-Classic Omega Speedmasters Worthy Of Any Collection to read the full article.

Watch Bezels: Every Type Explained Teddy Baldassarre
Sep 22, 2025

Watch Bezels: Every Type Explained

If you’re new to your appreciation of fine watches, you have undoubtedly read a lot of references to and heard a lot of opinions about watches’ bezels. It is somewhat of an esoteric term but it describes something very simple and essential. The bezel is the front part of the case (often but not always ring-shaped) that frames the dial and secures the crystal. Bezels can be made of the same material as the case middle and/or the caseback, but can also be made of a different material. Here we run down the various types of watch bezels you’re likely to encounter. Polygons and Exposed Screws Watch cases, of course, are not uniformly round, which means that bezels, the front-facing parts of those cases, can also be found in a variety of shapes - sharply squared or rectangular, like the Cartier Tank and Jaeger-LeCoultre Reverso (above); softy cushion-shaped, like the Panerai Luminor and Vacheron Constantin Historiques American 1921; oval-shaped, like the Breguet Reine de Naples and other luxury ladies’ models; tonneau (“barrel”-shaped), like the Hublot Spirit of Big Bang and many Richard Mille models; and a host of others that combine elements of these and other polygonal shapes.  The shape that has proven to be the most popular and influential is the octagon: eight-sided bezels have proliferated ever since Audemars Piguet launched the Royal Oak (above) in 1972, and watchmakers have also dabbled in other unconventional shapes: the sharply faceted bezel of the Zeni...

Sunday Morning Showdown: Rolex Submariner 16610 Vs. Omega Seamaster 2254.50 Fratello
Omega Seamaster 2254.50 Welcome back Aug 31, 2025

Sunday Morning Showdown: Rolex Submariner 16610 Vs. Omega Seamaster 2254.50

Welcome back to our weekly Sunday Morning Showdown! This week, after several battles between modern watches, we are going back in time. Daan and Thomas will pit two neo-vintage divers against each other. Daan will defend the Omega Seamaster 2254.50, while Thomas will champion the Rolex Submariner 16610. With slender cases, sapphire crystals, aluminum bezel […] Visit Sunday Morning Showdown: Rolex Submariner 16610 Vs. Omega Seamaster 2254.50 to read the full article.

Hands On: Jaeger-LeCoultre Reverso Tribute Enamel “Shahnameh” SJX Watches
Jaeger-LeCoultre Reverso Tribute Enamel “Shahnameh” Aug 29, 2025

Hands On: Jaeger-LeCoultre Reverso Tribute Enamel “Shahnameh”

With a swivelling case and unadorned back, the Jaeger-LeCoultre Reverso has long served as a canvas for miniature enamelling (or double-faced complications). The Reverso Tribute Enamel “Shahnameh” is a fine example of the art, which is almost synonymous with Jaeger-LeCoultre (JLC), one of the first brands to set up an in-house enamel workshop. Originally invented as a watch for polo players – the reversible case is meant to protect the crystal – the Reverso goes back to the historical origins of the game with this set. The quartet is inspired by scenes from Shahnameh, an epic poem written one thousand years ago that recounts the origins of the Persian Empire, and also depicts the ancient game invented by Persians that is today known as polo. Specifically, the four watches reproduce illustrations from the Shahnameh commissioned by Shah Tahmasp, the second ruler of the Safavid dynasty, in the early 16th century. The four piece set comprised of (from left) ‘Siyavush Plays Polo before Afrasiyab’; ‘Faridun Tests His Sons’; ‘Saam Comes to Mount Alburz’; and ‘Rustam Pursues Akvan’. Image – Jaeger-LeCoultre Initial thoughts JLC has long reproduced historical art on the Reverso – including Monet’s Venice series of paintings last year – but the artwork was often Western or East Asian, perhaps reflecting the watchmaker’s biggest markets. The “Shahnameh” set, on the other hand, reproduces scenes from a piece of art that might be less well known in...

Sunday Morning Showdown: Tissot PRX Quartz Vs. Tissot PRC 100 Solar Quartz Fratello
Tissot PRX Quartz Vs Tissot Jul 13, 2025

Sunday Morning Showdown: Tissot PRX Quartz Vs. Tissot PRC 100 Solar Quartz

Last week, we organized a sophisticated confrontation between two platinum dress watches. This week, we decided to keep it a little more low-key. Recently, Tissot introduced its new PRC 100 Solar Quartz with the state-of-the-art Lightmaster technology integrated into the watch’s crystal. The demand for this new watch is already higher than the supply, so […] Visit Sunday Morning Showdown: Tissot PRX Quartz Vs. Tissot PRC 100 Solar Quartz to read the full article.

Introducing – The Hublot Classic Fusion Essential Taupe… Surprisingly Streamlined Monochrome
Hublot Classic Fusion Essential Taupe… Jul 8, 2025

Introducing – The Hublot Classic Fusion Essential Taupe… Surprisingly Streamlined

Hublot… A brand that brings heated conversations and opinions. Hublot is surely known for its bold moves, disruptive materials and colours you can spot across the room. Baby blue sapphire case, snake pattern on the bezel, multicoloured ceramic that looks… questionable. You name it. Yet, Hublot also knows how to use its signature Classic Fusion […]

Vacheron Constantin’s Temporis is a Unique Double Complication SJX Watches
Vacheron Constantin s Temporis Jun 20, 2025

Vacheron Constantin’s Temporis is a Unique Double Complication

Les Cabinotiers is Vacheron Constantin’s programme dedicated to one-off and special-order watches. The latest to emerge from the workshop is the Les Cabinotiers Temporis Duo Grand Complication Openface, a large, complicated watch with an intricate calibre and an unusually modern, clear sapphire dial. The look is more contemporary than usual for a Les Cabinotiers grand complication, thanks to both the sapphire dial with its off-centre displays and a monochromatic grey finish on the movement. An evolution (and stylistic upgrade) of the solid-dial Les Cabinotiers Minute Repeater Tourbillon Split-Seconds from 2022, the Temporis is underpinned by a base movement that features a minute repeater and tourbillon; on top sits a traditionally constructed split-seconds chronograph mechanism that is paired with the calibre in an unconventional manner. The layers inside the cal. 2757 S of the Temporis Initial thoughts Twenty twenty-five has been good for Vacheron Constantin in terms of complicated watches – the brand started the year with the Solaria, the most complicated wristwatch ever made, and has followed up with the Temporis. In comparison to the Solaria with 41 functions and a price tag in the mid-millions, the Temporis is simple and affordable, but still impressive. Though it is largely identical in terms of the movement to the 2022 model with a solid dial, the Temporis offers a lot more visually with its open dial. Though the look is modern – compare this to the baroque B...