Results for Marine Chronometer & The Longitude Problem

The complicated chronometry of Ferdinand Berthoud

The Petermann Bédat X Auffret Paris Chronomètre d’Observatoire Ref: 1342 for Only Watch

Simon Brette Makes His Debut with the Chronomètre Artisans Souscription

Ferdinand Berthoud Introduces the Chronomètre FB 2T Final Edition

A Week On The Wrist: The Search Is Over – This Entry Level F.P. Journe Chronomètre Bleu Is My New Favorite Watch

For now, at least.

Introducing the Akrivia Chronomètre Contemporain II

One To Watch: Meet Marin Instruments, A Young Brand That's Modernizing The Classic '60s Skin Diver

Justin Walters went from designing skateboards to designing monochromatic tool watches.

Entry Level: The Chronomètre Souverain Havana Is A Solid-Gold Starting Point Into The World Of F.P. Journe

We're headed down to Havana to navigate price hikes and quartz qualifiers.

Introducing: The Panerai Luminor Marina eSteel

eSteel your face – and case.

Watch Spotting: Manager Dave Roberts Wearing A Panerai Luminor Marina As The Los Angeles Dodgers Win The 2020 World Series

A Panerai and a World Series ring.

Introducing the Speake-Marin One&Two; Openworked Tourbillon

Introducing: The Speake-Marin One & Two Openworked Flying Tourbillon

A titanium flying tourbillon in two sizes.

Introducing: The Panerai Luminor Marina '70 Years Of Luminor' Collection (PAM 1117, 1118, & 1119)

A trio of lume-heavy divers in titanium, Carbotech, and Fibratech.

Introducing: The Panerai Luminor Marina DMLS 44mm (PAM01662)

Titanium powder renders a very grey Luminor.

Introducing: The Panerai Luminor Marina Fibratech 44mm (PAM01663)

Sustainable and tech-forward construction meets an old-school design.

The Rarest and Newest Modern ‘Marina Militare’ Watches

The Magic in the Words ‘Marina Militare’

Spotlight on the 1999 PAM 36B Marina Militare

First Look – The Two-Tone & Chocolate Girard-Perregaux Laureato Chronograph 42mm

The Laureato is Girard-Perregaux’s answer to the integrated luxury sports watch. Born in 1975 as a chronometer-certified quartz sports watch, Girard-Perregaux revived the Laureato in 2016 as a limited edition to celebrate the brand’s 225th anniversary, and later as a collection in 2017. Produced three years after Gérald Genta’s landmark Royal Oak but a year […]

The Rivanera Gets Echo/Neutralized By Seconde/Seconde/

It’s always fun to see a seconde/seconde/ take on a popular watch. With the many whimsical releases Romaric André created while collaborating with brands, you sometimes wonder whether he is ever short of good ideas. So far, though, that hasn’t been a problem. If anything, I have seen the releases become better over time. The […] Visit The Rivanera Gets Echo/Neutralized By Seconde/Seconde/ to read the full article.

First Look – The New Zenith G.F.J. in Tantalum and Yellow Gold, Continuing the Legacy of the Calibre 135

When Zenith brought back the legendary Calibre 135 last year in the G.F.J. collection, it was a tribute to its 160-year history. Also, it signalled the return of one of the most celebrated chronometer movements. Now, the brand expands the collection with two new G.F.J interpretations: a tantalum edition with an onyx dial and diamonds, […]

Fratello Talks: How Much Does Chronometer Certification Matter?

“Chronometer” is one term that frequently comes up in watchmaking. We see it stamped on dials, highlighted in marketing materials, and often used as a synonym for “high quality.” But how much does chronometer certification actually matter to us as collectors? In this episode of Fratello Talks, Nacho is joined by Daan and RJ to […] Visit Fratello Talks: How Much Does Chronometer Certification Matter? to read the full article.

You know you’ve got a problem when your obsession with watches influences your car purchasing decisions

Both Jamie and Borna have ended up buying cars that have a unique connection to the world of watches (and they're not Bugatti Tourbillons).The post You know you’ve got a problem when your obsession with watches influences your car purchasing decisions appeared first on Time+Tide Watches.

In-Depth: Understanding Resonance in Watches

Resonance watches are among the most elusive machines in modern watchmaking. Creations such as F.P. Journe’s Chronomètre à Résonance perform well at auctions, commanding high prices. While their rarity and appeal are undeniable, watches that purport to harness resonance tend to be viewed with a degree of skepticism. A measure of skepticism is understandable - the concept of sprung balances becoming almost magically coupled is anything but straightforward and requires a profound understanding of oscillators in general.   This story seeks to shed some light on the concept of coupled oscillators by explaining the two models of coupling and explore the nuances of each system. Before exploring resonance, the reader is encouraged to review the basics of sprung oscillators and isochronism in order to become more familiar with the hairspring and balance wheel model.  The F.P. Journe Chronomètre à Résonance Souscription No. 2 sold for more than CHF3 million in November 2025. A confusion of terms First, the term resonance itself requires definition. In classical physics (mechanics, electrical engineering, signal processing, etc.) resonance is a phenomenon where a system vibrates under the influence of an external driving force that matches the system’s eigenfrequency (natural frequency). This is to say that a system at rest, which includes mass and spring elements, can be excited into a state of resonance by an external force when particular conditions are met. An imp...

A Closer Look At COSC’s New Excellence Chronometer Certification

Contrôle Officiel Suisse des Chronomètres (COSC) is the largest Swiss independent testing facility for watch movements. Founded in 1973, this non-profit foundation aims to guarantee the precision of Swiss watches through a neutral, independent, and rigorous method. Watches with movements that passed the tests can be called “COSC-certified chronometers,” accurate to within -4/+6 seconds per […] Visit A Closer Look At COSC’s New Excellence Chronometer Certification to read the full article.