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Results for Balance Wheel

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Balance Wheel

The oscillating wheel at the heart of every mechanical watch.

Automatic Attraction: Corum Debuts New Golden Bridge Automatic At BaselWorld 2013 Revolution
Corum Debuts New Golden Bridge May 13, 2013

Automatic Attraction: Corum Debuts New Golden Bridge Automatic At BaselWorld 2013

Something old, something new –that’s the theme that runs through much of watchmaking.  Lest we forget, the basic technology of watchmaking consists of a mainspring barrel, gears, a lever escapement, and a temperature compensated balance controlled by a balance spring.  All of those elements –every one –were in place by 1750, boys and girls, when […]

Quick Look: The Zenith Academy Christophe Colomb Hurricane Revolution
Zenith Academy Christophe Colomb Hurricane Jan 21, 2013

Quick Look: The Zenith Academy Christophe Colomb Hurricane

Though it won’t be officially launched until Basel 2013 we thought this was too interesting to keep to ourselves –it’s the latest take on the Zenith “Christophe Colomb” series of watches (part of the Zenith Academy collection.) The Christophe Colomb watches place the escapement and balance in a gimbaled cage, so that no matter what […]

Moser’s Repeater is Cosmic, Cylindrical, and Skeleton SJX Watches
H. Moser & Cie has unveiled 4 days ago

Moser’s Repeater is Cosmic, Cylindrical, and Skeleton

While most Swiss watchmakers are taking their summer holidays, H. Moser & Cie. has unveiled the Endeavour Minute Repeater Cylindrical Tourbillon Skeleton Cosmic Rain — the latest variant of the brand’s most complicated movement platform. The Cosmic Rain takes its name from its dial, which features mother-of-pearl inlays on an aventurine glass dial base. Devoid of a brand logo or wordmark — a long-running Moser motif — the dial effectively evokes a night sky filled with streaking comets. Initial thoughts H. Moser & Cie. is probably best known for its minimalist designs, but the Cosmic Rain’s openworked construction reveals another side of the brand. So, too, does its raden dial, which is dressed up with shimmering strips of mother-of-pearl. The Cosmic Rain is quite compact for such a complicated watch at 40 mm in diameter and 14.4 mm thick — barely larger than some time-only watches. These wrist-friendly dimensions, combined with a lightweight titanium case, should make for a comfortable wearing experience. The calibre HMC 909 features an off-centre time display that reveals both the strike train and the tourbillon, which has been elevated — literally and figuratively — with a cylindrical hairspring. Unfortunately, the vestigial centre wheel pinion is unnecessarily exposed, revealing the calibre’s roots as a movement designed for central hour and minutes hands. There’s a lot to like about the Cosmic Rain, but it’s hard to find justification for the CHF...

Insight: Bidirectional versus Unidirectional Winding SJX Watches
Jul 15, 2026

Insight: Bidirectional versus Unidirectional Winding

One of the quieter debates still ongoing in the horological world revolves around the difference in winding efficiency between unidirectional and bidirectional winding mechanisms. There are two schools of thought on the subject: some watchmakers remain convinced that a bidirectional winding mechanism is the clear winner in terms of efficiency, while a second group claims there are no real performance gains over simpler unidirectional winding mechanisms. Harvesting energy The basic idea behind automatic watches is to harvest energy from the wearer’s natural arm movements to wind the mainspring. The rotor is an unbalanced mass (its axis of rotation doesn’t coincide with its center of mass) that is subject to both gravity and the inertial forces exerted by the wearer. As the watch moves through different positions, the rotor spins in unpredictable bursts, generating substantial kinetic energy. A winding mechanism then turns the fast revolutions of the rotor into slower but more torque-heavy turns that wind the mainspring. Common transmission ratios cited by horological textbooks range between 1:110 and 1:180 — meaning that the barrel click wheel only makes one turn for every 110 to 180 turns of the rotor. In short, the winding mechanism transforms the erratic kinetic energy of the rotor into potential elastic energy, stored inside the mainspring’s coils. A short history Much like any sub-genre of horology, the history of automatic winding is lengthy and nuanced. This ...

Hands-On With The Hublot Big Bang Tourbillon Automatic Yellow Neon Saxem WatchAdvice
Hublot Big Bang Tourbillon Automatic Jul 7, 2026

Hands-On With The Hublot Big Bang Tourbillon Automatic Yellow Neon Saxem

Hublot’s Big Bang Tourbillon Automatic Yellow Neon SAXEM is one of those watches that leave you in awe, combining neon sapphire brilliance with high-complication tourbillon watchmaking. What We Love The bold Yellow Neon SAXEM case completely transforms under different lighting. The skeletonised dial offers a beautifully balanced design that gives the watch real mechanical theatre. Few watches in watchmaking will command attention quite like this, especially in natural light. What We Don’t The 44mm case size wears better than expected, but it is still on the larger side. Even sapphire lovers may find the Yellow Neon SAXEM a lot to handle. A black structured strap option would let the case and dial take centre stage even more, while simultaneously reducing the overall ‘distinctive’ presence of the watch. Overall Rating: 8.6 / 10 Value For Money: 8.5/10 Design: 9.0/10 Wearability: 8.0/10 Build Quality: 9.0/10 Few timepieces in the world of watchmaking can grab attention like a bright yellow-coloured watch. Now imagine adding a transparent sapphire case to the mix, and suddenly, you have something that becomes almost impossible to ignore on the wrist. That is exactly what we get with the Hublot Big Bang Tourbillon Automatic Yellow Neon SAXEM. This is a watch that does not ask to be seen, but rather commands it the moment you see it. In that regard, this, in my opinion, is the kind of timepiece that perfectly encapsulates what Hublot is all about. Since the beginnin...

Cartier Watchmaking Prize Winners Announced SJX Watches
Louis Vuitton Watch Prize Jun 26, 2026

Cartier Watchmaking Prize Winners Announced

The 28th edition of the Cartier Prize for Watchmaking Talents of Tomorrow has announced the winners of the annual competition, which seeks to recognise and nurture promising young watchmakers and technicians. In total, six prizes were awarded to students from France and Belgium. Aymeric Peters won first prize in the Apprentice Watchmakers category for “Silence Choisi” Understanding the Cartier Prize The watchmaking industry faces a well-known shortage of young talent, and awards like the Cartier Prize, the F.P. Journe Young Talent Competition, and the Louis Vuitton Watch Prize for Independent Creatives enhance the appeal and visibility of the profession in a meaningful way. The theme of the 28th edition of the Cartier Prize was “Shifting the Balance: Reading and Perceiving Time Differently”. This theme explains why almost all entries featured heavily abstracted time displays. Layla Sluysmans tied for second prize in the Apprentice Watchmakers category with her creation “Nymphéa” The format of the Cartier Prize differs from that of other similar awards. Finalists were chosen based on sketches and presentations, and were given just 80 hours (over three months) to complete their creations with the help of dedicated mentors. To ensure a level playing field, each candidate is provided with a Cartier cal. 012 alarm clock movement and a CHF500 budget cap. Eléonor Picciotto presided over the ceremony, and the prizes were awarded by a jury comprised of Roy Davidoff, P...

Introducing: The Autodromo Group C Turbo Sport Chronograph Hodinkee
Breitling s Aerospace Jun 10, 2026

Introducing: The Autodromo Group C Turbo Sport Chronograph

What We Know It's been a while since we've heard from Autodromo. The motorsports-inspired boutique brand is a longtime favorite of many here at Hodinkee. Heck, we did a pretty cool LE with them back in 2023, featuring a special-edition series of Group B Chronographs. That same year, the brand unveiled its Group C, a watch that captured the spirit of digital '80s watches rather nicely.   Today, Autodromo is launching its first totally new model since then. Meet the Autodromo Group C Turbo Sport, a fresh take on the practical analog-digital (ana-digi) watches like the Tissot Two Timer, the Heuer Manhattan Chronosplit GMT, and, of course, Breitling's Aerospace and Pluton that once adorned wrists behind the wheel and at the track a couple of decades back.   The case is 38.5 millimeters in diameter and made from anodized aluminum – that's the alloy that your BMX bike parts used to be made from back in the day – or at least mine were. The new Group C Turbo comes in three anodized aluminum flavors, clear, grey, and gold. Each has a stainless steel caseback and features a grid dial that's meant to evoke the tachymeter instruments of the Group C Turbo racing era that ran from the early 1980s until about 1993, and was defined by European endurance events including the 24 hours of Le Mans. The Group C cars of the era that inspired these watches featured clean lines, ground effects that delivered high downforce, and turbochargers, offering outsized horsepower that demanded physi...

Happenings: Roger W. Smith OBE To Lecture At The Horological Society Of New York Hodinkee
Omega co-axial wristwatch May 29, 2026

Happenings: Roger W. Smith OBE To Lecture At The Horological Society Of New York

At the June 2026 lecture of the Horological Society of New York (HSNY), independent watchmaker Roger W. Smith OBE will trace the remarkable story of the co-axial escapement from George Daniels' original invention in the early 1970s through to its continuing modern evolution. Beginning with Daniels' determination to address the fundamental limitations of the Swiss lever escapement, the talk explores the development of his early experimental pocket watches, together with the long and often difficult process of persuading a skeptical Swiss watch industry to adopt an entirely new escapement system. Drawing on firsthand experience working alongside Daniels during the Millennium Watch project and the launch of the first Omega co-axial wristwatch in 1999, Smith will provide a rare personal insight into a pivotal moment in modern horological history. The second half of the presentation will examine the subsequent technical evolution of the escapement from 2005 onwards, including the development of the single-wheel co-axial and the changing philosophy behind escapement design — moving beyond pure chronometric performance towards long-term stability, durability, and extended service intervals. Due to limited seating, tickets will be released according to this schedule: Gold Members...............May 26 (12 PM ET)Silver Members..............May 28 (12 PM ET)Bronze Members............June 2 (12 PM ET)General Public................June 4 (12 PM ET) A dedicated email with a unique cod...

Introducing: Albishorn Type X-Graph (Live Pics) Hodinkee
Rolex Zerograph inspiration May 28, 2026

Introducing: Albishorn Type X-Graph (Live Pics)

What We Know We've featured a lot of Albishorn on Hodinkee recently, and for good reason. It's a fan-favorite brand, and, as our former head of limited editions said, it's hard to find someone who knows how to handle the technical side of watches, the design side, and pricing, all so well. The new Type X-Graph is no exception. If you want more info on the design inspiration behind the brand, you can read one of my previous stories here. But while other launches trend more vintage, this one feels a bit more modern. The Rolex "Zerograph" inspiration is obvious, with the slightly smaller dial and oversized bezel (that overhangs the case). This time, the dial pushes the look into modernity, with a semi-translucent fumé grey dial that lets you catch small glimpses of the skeletonized ALB04 M movement. But at the same time, Alibshorn was able to maintain the pebbled texture of some of their other dials. It's not a fully smoked sapphire like a Patek 5316 or a Lange Lumen, but at the price, it strikes a balance between creativity and affordability. Add the green-emission Super-LumiNova on the PVD-coated bi-directionally rotating steel bezel, and it's a cool monochrome finish. You'll notice that the watch is a chronograph with a 30-minute counter at the lower left and running seconds at the right, but right above the logo is the chronograph running indicator. It switches from red while running to white when stopped. The design of this is patented as part of the brand's modificatio...

Highlights: Notable Independents at Phillips Hong Kong SJX Watches
F.P. Journe May 27, 2026

Highlights: Notable Independents at Phillips Hong Kong

Phillips’ spring auction season wraps up with The Hong Kong Watch Auction: XXII on May 30 – 31. As is now the norm, independent watchmakers have carved out a significant section of the catalogue including the usual suspects from F.P. Journe and Philippe Dufour, as well as rare showings from under-the-radar makers like Oscillon and Yosuke Sekiguchi. Lot 878 – Oscillon L’instant de Vérité Despite how hot the indie segment has become, Oscillon has largely stayed under the radar, perhaps due to its intensely cerebral nature, or because the brand only produces about five watches per year. The duo behind the brand, Dominique Buser and Cyrano Devanthey, are collectors of pre-computerised watchmaking machines. Their collection is so extensive that they can produce all movement parts – save for the jewels and shock protection – under their own roof using these machines. Even putting this context aside, the watches themselves are still mechanically interesting. The most striking detail is the bowtie-shaped balance, which is harder to poise and less aerodynamic than a conventional annular balance, but looks much cooler. L’instant de Vérité uses an unusual tensator constant-force spring. To explain this, consider a tape measure. The force required to pull more length from a tape measure doesn’t noticeably increase regardless of the length already paid out. Now imagine hooking the end of the tape to a pulley, so that turning the pulley (winding) pulls tape out, and ...

Introducing: The Orient Star M45 F7 Small Second In Three Variants Fratello
Orient May 23, 2026

Introducing: The Orient Star M45 F7 Small Second In Three Variants

Orient Star unveils its latest anniversary release in three versions. The Orient Star M45 F7 Small Second comes in green and ivory as part of the regular catalog, while a dark gray-to-black version is limited to 500 pieces. This collection leans into classic styling with a balanced layout. A subsidiary seconds dial sits at 6 […] Visit Introducing: The Orient Star M45 F7 Small Second In Three Variants to read the full article.

eBay Finds: Special All Diver Edition! Worn & Wound
Citizen CQ Crystron Diver  Welcome May 22, 2026

eBay Finds: Special All Diver Edition!

eBay Finds is back! This bi-monthly installment will feature a selection of watches currently listed on eBay that have caught the eye of editor Christoph McNeil (@vintagediver). If you come across any hidden gems on the ‘Bay drop us a note at info@wornandwound.com for potential inclusion. Citizen CQ Crystron Diver  Welcome to the all-divers edition of eBay Finds! It’s not often I find one or two decent divers to bring you, but this week there is a cornucopia of divers. We’ll start off with this awesome vintage Citizen CQ Cryston diver. Yes, it’s quartz, but it’s a cool quartz watch! The smallish steel case is in nice shape, looking unpolished with sharp edges and nicely preserved crown guards protecting the unsigned crown. The elapsed time bezel insert is in good shape as well. The black dial is excellent, as are the unique hands. The hour hand has a paddle shape that really stands out. There is of course a day/date window at three, with a Kanji day wheel. The watch comes on the original rubber strap with original signed buckle, which is a rare find. No pictures of the quartz movement, but the watch runs well per the seller. Great vintage Citizen! View auction here Vintage Waltham Diver  Next up is this classic vintage 1960s Waltham diver. I’ve owned one of these before, and they are definitely well made. The steel case is excellent and unpolished, with crisp lugs and original brushed finish on the caseback. The seller doesn’t state the size, but it should ...