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Results for The Longitude Problem

43,099 articles · 252 videos found · page 934 of 1446

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The Longitude Problem

The 200-year navigation crisis solved by John Harrison\'s H4 marine chronometer (1759); the lineage to modern COSC and Master Chronometer.

The Watch for Action Heroes: Panerai Luminor Submersible 1950 Amagnetic Revolution
Panerai Luminor Submersible 1950 Amagnetic Oct 1, 2012

The Watch for Action Heroes: Panerai Luminor Submersible 1950 Amagnetic

We don’t think about magnetic fields often and though they are thoroughly pervasive in our high technology environments, we tend to think of magnets as these little buttons of fun used to “hover and drag” metal cars across table tops. It’s time we grow out of childish notions and understand that magnetic fields are generated […]

Watches & Wonders: Bulgari Launches an Octo Finissimo in 37mm Worn & Wound
Bulgari Launches Apr 13, 2026

Watches & Wonders: Bulgari Launches an Octo Finissimo in 37mm

The Bulgari Octo Finissimo is a certifiably unique watch that you can identify on someone’s wrist from across a room. Part of this is because of its exotic integrated design, and the other part is that they are kind of huge, despite being very thin. That contrast has always been part of the appeal, but also part of the problem. For years, the Octo Finissimo has represented an avant-garde take on modern watch design. Thin, minimal, architectural, and kind of brutal, it exists as a distant relative of a Genta-era idea, but pushed into something more experimental. It has also built its reputation on technical achievement, frequently contending for the world’s thinnest watch, and holding that title more than once over the last decade. But this year, Bulgari isn’t focused on thinness. Instead, they’ve turned their attention to something far more practical: wearability. For the first time since the line launched in 2014, Bulgari has introduced a smaller “consumer” model, bringing the Octo Finissimo down to 37mm. On paper, that might not sound like much. In practice, it changes everything. The standard 40mm models were always a bit deceptive. While 40mm is not particularly large for a round watch, the Octo Finissimo is anything but round. These watches are essentially flat squares with wide integrated lugs, creating a large corner-to-corner span and a cuff-like presence on the wrist. The result is a watch that wears significantly larger than its width suggests. It’s...

A History and Guide - How to Use a Dive Bezel Worn & Wound
Aug 18, 2025

A History and Guide - How to Use a Dive Bezel

John Scott Haldane had a problem. Britain’s Royal Navy had commissioned the Scottish physiologist to find a solution for a unique problem facing their divers: decompression. Known since the mid-19th century, decompression sickness (DCS) posed a serious risk for divers and laborers working in pressurized environments, such as caissons. It was his job to develop a set of decompression tables for safe diving operations. It boils down to how gases act under pressure. When breathing a gas mixture at depth - for the sake of simplicity, we will say compressed air, or approximately 78% nitrogen and 21% oxygen, with the rest being inert gases - the oxygen is used up by the body, and the nitrogen is absorbed into the bloodstream. This build-up will dissolve as it is effectively off-gassed, as it does when each of us breathes here on the surface. Enter pressure. Should a diver undergo a rapid change in pressure, such as by ascending too quickly, the nitrogen will separate from the blood and form bubbles in the tissues and joints. The resulting pain has a habit of contorting its victims, giving DCS its more readily-known nickname of “the bends.” John Scott Haldane had a problem. Britain’s Royal Navy had commissioned the Scottish physiologist to find a solution for a unique problem facing their divers: decompression. Known since the mid-19th century, decompression sickness (DCS) posed a serious risk for divers and laborers working in pressurized environments, such as caisso...

A Comprehensive Look At Mechanical Depth Gauge Watches Quill & Pad
Jul 27, 2025

A Comprehensive Look At Mechanical Depth Gauge Watches

Depth matters. And as experienced divers often like to go deep for as long as possible, decompression is a serious issue. The problem with mechanical depth gauges on watches is that they are usually either precise at depth (but not in the 12-meter decompression zone) or in the decompression zone (but not at depth). Dietmar Fuchs takes a deep dive into mechanical depth gauge watches and shares his thoughts and experiences here.