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Power Reserve

How long a fully wound mechanical watch runs; 40h entry, 72h modern, 50d record.

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New: Panerai Luminor GMT Power Reserve Ceramica PAM01574 Deployant
Panerai Luminor GMT Power Reserve Apr 26, 2025

New: Panerai Luminor GMT Power Reserve Ceramica PAM01574

Panerai proudly returns to the world’s most important design fair as the Official Timekeeper of Salone del Mobile, thus reinforcing Panerai’s commitment to the world of design and innovation. As a tribute to this prestigious occasion, the Maison presents the Luminor GMT Power Reserve Ceramica PAM01574 making its debut at Panerai’s pop-up at Milano Rho Fiera.

Introducing: The Panerai Luminor GMT Power Reserve Ceramica PAM01574 Fratello
Panerai Luminor GMT Power Reserve Apr 25, 2025

Introducing: The Panerai Luminor GMT Power Reserve Ceramica PAM01574

Panerai moves quickly! After a busy Watches and Wonders 2025, there’s already another new release. The Luminor GMT Power Reserve Ceramica was announced with the brand’s official timekeeping role at the Salone del Mobile. This is Milan’s Design Week, and the event is the world’s largest furniture show. Furniture may sound like a funny connection […] Visit Introducing: The Panerai Luminor GMT Power Reserve Ceramica PAM01574 to read the full article.

Introducing – The New Panerai Luminor GMT Power Reserve Ceramica PAM01574 Monochrome
Panerai Luminor GMT Power Reserve Apr 14, 2025

Introducing – The New Panerai Luminor GMT Power Reserve Ceramica PAM01574

Panerai is the official timekeeper of the Salone del Mobile, the largest and most prestigious annual international design fair held in Milan since 1961. Panerai’s involvement with Milan Design Week is celebrated with the release of the new Lumimor GMT Power Reserve Ceramica PAM01574. As a product launched in 1949 that retains many original design […]

The Frederique Constant Classic Power Reserve Big Date Manufacture is a sign of a brand going upmarket Time+Tide
Frederique Constant Classic Power Reserve Big Aug 30, 2023

The Frederique Constant Classic Power Reserve Big Date Manufacture is a sign of a brand going upmarket

The Frederique Constant Classic Power Reserve Big Date Manufacture combines elegant style with mechanical wow factor It’s highly accessible in design, referencing classic mid-century styles The FC-735 is Frederique Constant’s 31st in-house movement, signalling their intent to continue driving their brand upmarket Sometimes the little things in life are worth celebrating, and for Frederique Constant, … ContinuedThe post The Frederique Constant Classic Power Reserve Big Date Manufacture is a sign of a brand going upmarket appeared first on Time+Tide Watches.

NOMOS Power Reserve review WatchAdvice
Nomos Power Reserve review Nomos Feb 5, 2020

NOMOS Power Reserve review

Nomos is the brand of entry level luxury Bauhaus design. Typically offering decluttered dials, no nonsense design and some of the best value in the luxury watch world.  So is the Nomos Tangente power reserve the German watch for you? Case The Nomos Tangente power reserve features a stainless steel case, 35mm in circumference and only 6.6mm thick. The case itself takes an interesting shape having a raised band of steel around the center of its construction leaving depressions above and below the mid case. This offers some visual interest to what is already a remarkably slim and slender watch. The model weighing only 40grams including the supplied leather strap, offers the wearer the opportunity to constantly forget that it’s on their wrist.  The stainless steel is finished to a high polish on all sides. There is the presence of a typically industrial and lets face it, German no nonsense crown, which features deep cuts for easy manipulation. Everything about the case on this watch screams German watch design, nothing is overdone, nothing is unnecessary or flamboyant. That is, until you see the lugs. The lugs are a strong statement in design from the Glashutte manufacturer. They protrude from the case and drop sharply at 45 degrees. They give the watch a much longer stance than the 35mm case size would suggest. Because of this design choice the watch wears 44mm lug to lug. When on the wrist I found the face of the watch appears about 2mm too small for the lugs. Although t...

HANDS-ON: the Girard-Perregaux Cat’s Eye Power Reserve – what a difference a grey makes Time+Tide
Girard-Perregaux Cat’s Eye Power Reserve Mar 4, 2017

HANDS-ON: the Girard-Perregaux Cat’s Eye Power Reserve – what a difference a grey makes

In the spectrum of colour, grey is quite the double agent. There it goes, trudging along amid notions of overcast skies, mind-numbing office cubicles, uncertainty. But just as we’re all stifling a yawn at its inherent dowdiness, what’s this we see? There goes grey playing its other hand in a realm populated by wolves and … ContinuedThe post HANDS-ON: the Girard-Perregaux Cat’s Eye Power Reserve – what a difference a grey makes appeared first on Time+Tide Watches.

Introducing – The New Hamilton Khaki Field Power Reserve Mechanical 40mm Monochrome
Hamilton Khaki Field Power Reserve Sep 9, 2025

Introducing – The New Hamilton Khaki Field Power Reserve Mechanical 40mm

The Hamilton Khaki Field Collection is one of the cornerstones of the brand, building on the rugged simplicity and reliability of the original soldiers’ watches produced during the 20th century. Known for their straightforward functionality, earthy colours, and robust construction, Khaki Field models have long been appreciated. From hand-wound mechanical editions inspired by WWII field watches […]

Industry News: Sellita Introduces the SW200-2 with 65 Hour Power Reserve Worn & Wound
Tissot as Jan 26, 2026

Industry News: Sellita Introduces the SW200-2 with 65 Hour Power Reserve

There’s a “don’t change it if it ain’t broke” mentality in Swiss watchmaking. Progress is slow, and it often seems that there’s a general distrust of change. An example of this is in the mechanical movements that power most of our watches. Chances are, you have at least one watch with an ETA 2824 or a movement based on the 2824 in your collection. If you’re like me, you have several. For Swiss-made watches of a certain price point, they are the standard. They are “workhorses” that, while not the most feature-rich, offer reliability and serviceability. And part of the reason for that is that the design has been around, largely unchanged, since the 1970s (the 2824-2, which is the current standard, was released in the 80s). That is, until 2013, when ETA launched 80-hour movements based on the 2824-2. First debuted in a Tissot as the Powermatic 80, ETA nearly doubled the 2824’s power reserve by slowing the escapement’s frequency from 28,800bph to 21,600bph, introducing synthetic components, and increasing the mainspring’s capacity. The biggest update to the 2824 format in a generation (though they no longer use that numbering), as ETA is part of Swatch, these movements gave the group’s catalog of brands under Omega an unexpected edge in the market, but were not available to third-party brands, thus limiting their overall impact. The ETA 2824 featured in a Sinn 556i In 2003, Sellita began supplying movements to third parties as a response to Swatch’s...

Introducing – The Brellum Pandial Power Reserve Black Titanium Chronometer LE Monochrome
Nov 28, 2025

Introducing – The Brellum Pandial Power Reserve Black Titanium Chronometer LE

Independent and proudly small-scale, Brellum thrives carving its niche in modern Swiss watchmaking. Founded by fourth-generation watchmaker Sébastien Muller, the brand produces only 299 pieces per year, each officially COSC-certified, meticulously decorated, and sold directly to end consumers. Following the recent release of the Pandial Power Reserve Chronometer LE in steel, Brellum now offers a […]

Hands-On: The New Brellum Pandial Power Reserve Black Titanium LE Chronometer Fratello
Nov 28, 2025

Hands-On: The New Brellum Pandial Power Reserve Black Titanium LE Chronometer

Today, we’ll go hands-on with the latest Brellum release. The Pandial Power Reserve Black Titanium LE Chronometer builds upon this month’s earlier introduction of a similar model in steel. Considering that this is the brand’s most feature-laden watch, it’s worth taking a closer look. With such small production runs, Brellum maintains an aggressive release schedule. […] Visit Hands-On: The New Brellum Pandial Power Reserve Black Titanium LE Chronometer to read the full article.

Hands-On With The New Brellum Pandial Power Reserve Chronometer LE Fratello
Nov 3, 2025

Hands-On With The New Brellum Pandial Power Reserve Chronometer LE

During the past few years, we’ve covered many of Brellum’s new model introductions. The small brand produces tiny runs of its watches. While that may frustrate some, the company’s owner, Sébastien Muller, is known for communicating directly with customers. Plus, Brellum always brings a steady supply of releases each year. Today’s Pandial Power Reserve Chronometer […] Visit Hands-On With The New Brellum Pandial Power Reserve Chronometer LE to read the full article.

A Hands-On Introduction To The New Hamilton Khaki Field Mechanical Power Reserve Fratello
Hamilton Khaki Field Mechanical Power Sep 9, 2025

A Hands-On Introduction To The New Hamilton Khaki Field Mechanical Power Reserve

Hamilton’s Khaki Field line is the brand’s most popular and best-known collection. The outdoorsy watches are fan favorites and available in many variations. You can get a Hamilton Khaki Field in myriad sizes, with quartz, automatic, and hand-wound calibers, as well as with many dial options. But today, the brand introduces a new complication on […] Visit A Hands-On Introduction To The New Hamilton Khaki Field Mechanical Power Reserve to read the full article.

Haute-Rive Honoris 1 Reviewed by Tim Mosso: Impressive 1,000-hour Power Reserve plus Flying Tourbillon Quill & Pad
Oris 1 Reviewed Jan 4, 2025

Haute-Rive Honoris 1 Reviewed by Tim Mosso: Impressive 1,000-hour Power Reserve plus Flying Tourbillon

While Tim Mosso has seen watches with long power reserves, huge power reserves, and absurd power reserves, the result always looked as outwardly awkward as it was technically adept. Every watch he has encountered with a power reserve beyond ten days was massive. But the Haute-Rive Honoris 1 is a compact marvel through clever design.

REVIEW: Hands On With The Bremont Terra Nova 40.5 Turning Bezel Power Reserve WatchAdvice
Bremont Terra Nova 40.5 Turning Oct 16, 2024

REVIEW: Hands On With The Bremont Terra Nova 40.5 Turning Bezel Power Reserve

From the Arctic to the Everyday: The New Terra Nova Evolution What We Love: The new look for the Terra Nova is suited for everyday wear. The blue gradient dial is stunning in person. Polished finishing on the case and bezel gives the watch a luxury look. What We Don’t: The constant seconds counter is oversized for dial. Movement and power reserve can be better to suit modern standards. Minute track can be slimmed down so dial appears less busy. Final Score: 8/10 Value for Money: 8/10 Wearability: 8.5/10 Design: 8.0/10 Build Quality: 8.0/10 During Watches and Wonders earlier this year, Bremont released numerous timepieces for its Terra Nova collection, with various colour schemes and strap options. This Terra Nova collection can be seen as the brand’s redirection, as in early 2023, the company announced a change of leadership with Davide Cerrato taking over the reins. But let’s take a step back and look at what Bremont was as a watch brand before this new, modern direction took over. As a watchmaker, Bremont has a relatively short history compared to some of the other luxury watch manufacturers; however, in this short span of time, they have already created some memorable timepieces. The story in which the brand was found is also quite the tale! Bremont Founders Nick and Giles English. Image Reference: Bremont.com Bremont was founded in 2002 by British brothers Nick and Giles English. The brothers were drawn to watchmaking and to ultimately created a watch brand t...

Kurono Tokyo Special Projects Réserve de March ‘Sensu N.O.S.’ Adds The Brands First Power Reserve Indicator Worn & Wound
Kurono Tokyo Special Projects Réserve de Oct 9, 2024

Kurono Tokyo Special Projects Réserve de March ‘Sensu N.O.S.’ Adds The Brands First Power Reserve Indicator

The last few years have been good for enthusiasts of classically designed, complicated watches. Historically the purview of the exorbitantly wealthy, the complicated dress watch has become increasingly democratized in recent years, thanks in no small part to brands like Kurono Tokyo. That impactful role was rewarded with ardent fervor with new releases selling out near-instantaneously. Recently, secondhand availability and the introduction of various anti-flipping techniques have made getting your hand on one of Hajime Asaoka’s affordable creations far easier. But that sense of ease may well renege with the brand’s latest offering, the Kurono Special Projects Réserve de Marche ‘Sensu N.O.S.’ The signature feature of the new Réserve de Marche (and the complication from which it borrows its name) is the power reserve indicator found between the nine and ten o’clock positions, a first for Kurono Tokyo. This function is made possible thanks to the new old stock Cal. 9134 movements from Citizen. True to form for Kurono Tokyo, that movement has been reworked here; not only to meet Kurono Tokyo’s internal timekeeping standards, but also to remove the movement’s date function, though the 24-hour secondary hour display at six o’clock remains. What results is a classically beautiful, and undeniably well-executed take on a classic complication. Of course, given the inherent limitations created by the use of NOS movements, the Sensu N.O.S. will be “very limited,”...

Hublot Combines a Two-Week Power Reserve and a Blue Sapphire Crystal Case SJX Watches
Hublot Combines May 6, 2024

Hublot Combines a Two-Week Power Reserve and a Blue Sapphire Crystal Case

A perfect illustration of Hublot’s extravagant style and technical proficiency, the Hublot Big Bang MP-11 14 Day Power Reserve Water Blue Sapphire boasts 336 hours of power reserve thanks to seven laterally stacked barrels working with 90° bevel gears and a helical worm screw to drive the movement. This is a new variant of an existing model, with the difference being the case crafted from transparent “water blue” sapphire crystal. Initial thoughts Hublot is an anomaly. It’s one of the 20 biggest watchmakers in Switzerland by revenue and boasts a vertically integrated manufactured but is often criticised for being something of a “fashion” brand by enthusiasts and non-enthusiasts alike. Part of this pushback probably stems from the brand’s entry-level watches that use inexpensive stock movements that are priced expensively for what they are. The mechanics don’t live up to the price. That reasoning is sound, but it doesn’t reflect the brand’s top-of-the-line products. Like the recent MP-10, the new MP-11 reflects Hublot’s ability in movements and materials. Its manufacture develops and produces complex in-house calibres with unique complications and novel constructions, usually presented in cases made of novel materials with distinctive aesthetics and properties. The only downside of such complications is their size. The MP-11 is enormous at 45 mm in diameter, and it isn’t even the chunkiest watch that Hublot produces. This limits its wearability and ...

Explained: Barrels, Mainsprings, and the Trade-off Between Power Reserve and Energy SJX Watches
Mar 8, 2024

Explained: Barrels, Mainsprings, and the Trade-off Between Power Reserve and Energy

Every mechanical watch employs at least one mainspring barrel as its energy source. When a watch is wound, the coils of the mainspring tighten, storing potential energy which is then slowly released through the gear train to the escapement. The mainspring is enclosed in a toothed barrel, essentially a drum covered by gear teeth. As a result the barrel is often considered to be the first wheel of the going train.  Although one is the norm, two or even more barrels can be employed, typically to generate more energy. Double barrel movements usually feature two mainsprings kinematically linked in one of two ways: in parallel or in series. The number of mainsprings, energy stored, and power reserve are illustrated with equations (1), (2), and (3): As described by equation (1), the energy of a single barrel E is a function of its torque, angular discharge velocity and running time (autonomy). Linking two identical barrels naturally means having twice the energy, so 2E. By convenient association, equation (2) exploits the available energy to double the torque sent to the gear train, while equation (3) takes advantage of the total energy by doubling the running time.  Parallel barrels The parallel arrangement of barrels embodies equation (2), which delivers twice the torque, increasing the energy available to run the movement (but not increasing the running time). Here two barrels unwind at the same time on a centre pinion connected to a second mobile of the going train. An embo...

The New Longines Conquest Heritage Central Power Reserve Celebrates a Big Anniversary by Updating a Mid Century Classic Worn & Wound
Longines Conquest Heritage Central Power Feb 1, 2024

The New Longines Conquest Heritage Central Power Reserve Celebrates a Big Anniversary by Updating a Mid Century Classic

It’s like we always say: every year is an anniversary year. As surely as the sky is blue and the tax bill comes every spring, watch brands will celebrate major (and not so major, to be honest) anniversaries with new watch releases. This year, Longines is celebrating what is actually a fairly big milestone for their Conquest collection, which turns 70 in 2024. This line is pure mid century elegance, which in my opinion never really went out of fashion, even if sportier watches have been the focus of the watch world for much of the last decade. The Conquest watches immediately evoke a period of time when you could wear a fedora unironically, and smoke cigarettes indoors. A simpler time, before we felt the need to place watches into distinct categories, and they were just watches. You get a little taste of that with the new Conquest Heritage Central Power Reserve, as well as a very cool execution of a common complication.  The new reference seen here is a reinterpretation of a watch that made its debut in 1959 and featured a power reserve indicator in the center of the dial, which functioned with two rotating discs. The modern version uses the same principle as the watch from the 50s, with a power reserve indicator tied to an uncoiling disc marked with a baton shaped indicator that tracks the movement’s power over the course of its 64 hours of running time. Seeing the power reserve at the center of the dial seems remarkably intuitive, and Longines, for their part, take c...