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Results for GMT & World Time

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GMT & World Time

The traveller complications: Rolex's 1954 GMT hand and Louis Cottier's 1937 World Time mechanism.

Rolex Batman vs. Batgirl: Two Iconic GMT-Masters Compared Teddy Baldassarre
Rolex Oct 6, 2025

Rolex Batman vs. Batgirl: Two Iconic GMT-Masters Compared

The Rolex GMT-Master II is one of the most popular timepieces in the world, and the "Batman" and "Batgirl" versions, with their alluring black-and-blue colorways, are on many a collector's wish list. But what makes a Batman a Batman, and a Batgirl a Batgirl, and what exactly differentiates these two watches, so similar at first glance, from each other? Here we explore what makes "Rolex Batman vs. Batgirl" such a compelling matchup, and why the debate on the nicknames themselves is so intriguing. Lead image by Bonhams and Sotheby's Before Batman: A Brief History of the Rolex GMT-Master When it hit the market in 1955, one year after its unveiling, the Rolex GMT-Master was both trend-setting and genre-defining in its now-iconic conception. The original GMT-Master (Ref. 6542) was the first watch capable of displaying the time in two separate time zones thanks to the clever addition of a fourth, central 24-hour hand and a bidirectional rotating 24-hour bezel. The initials in the watch’s name signify “Greenwich Mean Time,” the system of world timekeeping based on the calculation of mean solar time from the Royal Observatory in Greenwich, London. This dual-time functionality was an innovation devised for, and developed in cooperation with, the original watch’s intended users: pilots for Pan American Airlines, at the time one of the U.S.A.’s leading commercial carriers. In that so-called Golden Age of commercial aviation, the growth of long-haul and international flights...

Who Was Abraham-Louis Breguet? - Get To Know The World’s Most Famous Watchmaker Fratello
Breguet ? - Get Oct 3, 2025

Who Was Abraham-Louis Breguet? - Get To Know The World’s Most Famous Watchmaker

You know the brands; now it’s time to learn about the people who founded them. We will get up close and personal with names you know so well without really knowing them, if you know what I mean. In this new series, Fratello will introduce you to the people behind famous brands and their creations. […] Visit Who Was Abraham-Louis Breguet? - Get To Know The World’s Most Famous Watchmaker to read the full article.

Experiencing The Ultra-Limited And Complicated Montblanc 1858 Cylindrical Tourbillon Geosphere Around The World In 80 Days Limited Edition – Chapter Three In Villeret Fratello
Montblanc 1858 Cylindrical Tourbillon Geosphere Sep 12, 2025

Experiencing The Ultra-Limited And Complicated Montblanc 1858 Cylindrical Tourbillon Geosphere Around The World In 80 Days Limited Edition – Chapter Three In Villeret

You could qualify a town with just 929 inhabitants as sleepy. Villeret, in the Swiss canton of Bern, is indeed quiet. It’s stuck between two mountain ridges in the Jura, and apart from a pizzeria that serves Dutch beer instead of Swiss for some reason, the isolated place looks pretty much timeless. Still, time plays […] Visit Experiencing The Ultra-Limited And Complicated Montblanc 1858 Cylindrical Tourbillon Geosphere Around The World In 80 Days Limited Edition – Chapter Three In Villeret to read the full article.

Orient Gilds the Retro World Map SJX Watches
Vacheron Constantin Breguet Sep 2, 2025

Orient Gilds the Retro World Map

Orient celebrates its 75th anniversary with a limited edition World Map, inspired by a 1969 fan favourite and priced under US$400. Distinctly retro in style, the World Map features an unusual world time arrangement using a striking map and rotating bezel for global time zones. It’s well priced and well made, and a break from the brand’s usual staples, which tend to be affordable but plain. Initial Thoughts It seems 2025 is a year of many anniversaries: Audemars Piguet, Vacheron Constantin, Breguet, and of course, Orient. While never the most prominent Japanese watch manufacturer, Orient has built up a strong back catalog over 75 years, which includes the World Map. That said, I’d have preferred a reissue of the more formal looking World Trip, though I imagine the brand is saving that for the up-market Orient Star line. Beyond the watch, it’s important to remember that while Orient is a relatively small brand, it’s part of Seiko Epson, the company behind the Spring Drive UFA that made headlines this year (though a distinct entity from Seiko Watch Corporation that markets and sells Seiko and Grand Seiko watches). For the brand’s 60th anniversary, Orient equipped the Orient Star Skeleton with Japan’s first (and only) silicon escapement. With that in mind, it’s worth keeping an eye on Orient this year, as the brand has more to offer than just a pretty face. Post War Travel Ban and Boom In the aftermath of the Second World War Japan was devastated and isolated. ...

Rolex GMT-Master II Review: The Bruce Wayne Rolex Teddy Baldassarre
Rolex Aug 12, 2025

Rolex GMT-Master II Review: The Bruce Wayne Rolex

Before getting into the so-called "Bruce Wayne Rolex," let's establish some context. The Rolex GMT-Master is one of the Crown’s most popular models when it comes to the Professional line. It’s been an icon going back to its release in 1954, born out of a partnership with PanAm (in reality, it was a masterfully executed piece of marketing) that gave way to a new jet-setting, time-zone-malleable timekeeper. Since then, the GMT-Master (now the GMT-Master II, incorporating an even more user-friendly dual-time indication) has stood alongside the Datejust and Submariner as a core icon for the brand. It has also represented a platform for innovation for Rolex, being the first model line to see the brand transition to its “Super Case” format and its use of Cerachrom bezel tech. This paved the way for the introduction of a new, steel GMT-Master II in the late aughts with a black Cerachrom bezel insert, a green GMT hand, and green dial text. This stood for years as the most under-the-radar option for potential GMT-Master II buyers that didn’t feel comfortable slapping on a "Batman" or a "Pepsi." However, like many other popular models, it was discontinued. We saw echoes of its design materialize in form of the “Lefty” GMT, with its bi-color green-and-black bezel and matching green GMT hand. But the “Sprite” didn’t strike the same chord as that discontinued OG. Then the 70th anniversary of the GMT-Master rolled around in 2024, and Rolex surprised us all when it re...

Hands-On With The Stylish Unimatic Modello Uno Heritage GMT Diver Fratello
Unimatic Aug 6, 2025

Hands-On With The Stylish Unimatic Modello Uno Heritage GMT Diver

If you are a longtime reader of Fratello, you know I am a fan of Unimatic. I have often sung the brand songs of praise for developing one of the watch industry’s most recognizable and versatile visual design languages. The minimalist approach to watch design works miracles almost every time for the brand. As Unimatic […] Visit Hands-On With The Stylish Unimatic Modello Uno Heritage GMT Diver to read the full article.

Greubel Forsey Reworks the GMT Balancier Convexe SJX Watches
Greubel Forsey Reworks Jun 18, 2025

Greubel Forsey Reworks the GMT Balancier Convexe

Greubel Forsey has refined its GMT Balancier Convexe with improved wearability due to a slightly smaller case, while maintaining the model’s trademark three-dimensional rotating globe. This is paired with some subtle, but interesting tweaks to the movement itself, including a new, and more elaborately decorated, escape wheel. Initial Thoughts Since the original GMT in 2011, the three-dimensional globe has become a Grebuel Forsey signature. Time zone-related complications are a natural fit for a sports watch, so much so that the brand’s first sports watch was a GMT. The brand has built on the GMT concept through multiple iterations, but the current version is arguably the most focused, without a tourbillon (or four), to distract from the core idea. The latest GMT Balancier Convexe is essentially the same as the previous model, but more wearable. It’s still a large watch, but scaled down and also might lightweight. The added power reserve indicator is also appreciated, and in hindsight, it’s odd that the function was absent in the first place given the utility of a power reserve display on a manual-wind travel watch. The World on Your Wrist Grebuel Forsey’s sporty Convexe cases have always worn somewhat smaller than specifications suggest due to the lug-less design, and the curved sapphire crystal back, which allows the watch to hug the wrist. However, a large watch that wears well is still a large watch. For the new GMT, Grendel Forsey has trimmed the case diamete...

A Report from Blade Show, the World’s Largest Knife Show Worn & Wound
Jun 11, 2025

A Report from Blade Show, the World’s Largest Knife Show

Editor’s Note: Over the weekend, Devin Pennypacker and Garrett Jones found themselves in Atlanta for this year’s edition of Blade Show, the self-proclaimed largest knife show in the world. This was Garrett’s third time in attendance and Devin’s first, and between the two of them they were able to see a lot of knives, connect with a bunch of brands, and find relationships between the EDC and watch communities that we always suspected were there. Here are some of their impressions of the event, along with a bunch of photos, and tips for attending if you decide to hit up a Blade Show event in the future (in addition to the Atlanta show, there are Blade Show events held in Fort Worth, Salt Lake City, and Clinton, SC). Watch out for a post later this week highlighting some of the watch spotting at this year’s Blade Show. DEVIN PENNYPACKER: This was my first time attending Blade Show, a knife and EDC gear show I had been aware of and wanted to participate in for quite some time. The sheer amount of brands, tables, and knives on display at this event far exceeded my expectations, and even after three days, I am positive I missed half of what was on display. For those who have attended a Windup Watch Fair or similar shows, the enthusiasm will feel familiar, filling the air with energy and excitement. Three days of winding your way through various tables with every edge and facet catching the light to draw you in like a fly to a zapper.  It is intoxicating and disorienti...

Time Is Our Thing – Chrono24 Fratello
Jun 11, 2025

Time Is Our Thing – Chrono24

Chrono24 is the world’s largest marketplace for watches, and today marks the launch of its new brand identity and global brand campaign, “Time Is Our Thing.” Chrono24 Since its inception in 2003, Chrono24 has established itself as the international marketplace for luxury watches, offering a staggering selection of approximately 560,000 timepieces. With around 3,000 dealers […] Visit Time Is Our Thing – Chrono24 to read the full article.

Introducing the Héron Mirabel GMT, an Affordable, Vintage Inspired Dressy Travel Watch Worn & Wound
Patek Philippe   Jun 5, 2025

Introducing the Héron Mirabel GMT, an Affordable, Vintage Inspired Dressy Travel Watch

It’s hard not to feel overwhelmed by the amount of quirky young watch brands pushing to make their name in the horological world-it seems like we are in the current golden age of microbrands and upstarts. Canadian watchmakers Héron, founded in Montreal in 2021, are among that crowd, and looking to make a name for themselves with vintage-inspired styling that is aimed at collectors with old-school taste. With their latest, the Mirabel GMT, the Québécois brand is channeling both aviation functionality and upscale dressy styling to produce a dual-duty timepiece ala upmarket stalwarts like Longines and Patek Philippe.  The Mirabel GMT sits within a stainless steel “C-shaped” case, and measures in at a sporty 37.5mm in diameter and 43.5mm lug-to-lug. True to Héron’s vintage-look aspirations, the enamel painted sector dial has an art deco flair, and features applied Roman numerals, pilot-style “alpha” hands, and a boxed sapphire crystal with underside anti-reflective coating. Four references are available for the Mirabel GMT, with varying dial shades, Delugs Baranil leather strap options, and case finishes. The “black” option features a black dial with gold details and case, and sits on a black strap, while the “brown” option also features gold accents, but wears a luxurious brown dial. Likewise, the “white” edition features a crisp white dial with blue hands and a dark blue strap, and the “blue” model has a blue dial and the same dark blue s...

Rolex Explorer II 16570: The Best Value Rolex GMT Teddy Baldassarre
Rolex May 14, 2025

Rolex Explorer II 16570: The Best Value Rolex GMT

My first Rolex was an Explorer II 216570 with black dial and I absolutely loved that watch. It was rarer than the GMT-Master II or Submariner, and didn’t have the ceramic bezel, which I found to be a little too glossy and “luxe” for what I was looking for in a watch at the time. I kept and wore the heck out of that watch for almost six years until I just felt like it didn’t speak to me anymore. The 42mm wide “Maxi” case seemed too big and the big, thick hour and minutes hands just began to bug me. I can’t explain why I was so dead set on the 216570 rather than the older 16570 at the time but I can certainly say that now, in 2025, the Rolex Explorer II 16570 is not just my preferred iteration of the modern spelunking watch, but an all-timer from Rolex. I’ve started to refer to the 16570 as a “Forever Rolex” because it ticks all the boxes - size, reliability, dual-time functionality, and discrete aesthetics - all while remaining one of the few Rolexes that isn’t immediately recognizable to every casual observer. Let’s take a look at why I’m such a big fan of this old-school Rolex. Case and Specs: The Other Rolex GMT Measuring 40mm wide and 12.2mm thick with a 47mm lug-to-lug height, the 16570 is an eminently wearable Rolex. And while this is very obviously a sport/tool watch, these proportions make for a very versatile and subdued piece. No, there isn’t a rotating bezel with a nickname-ready color combo here. Rather, there is a demure, fixed ...