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Lemania Caliber 13CH: The Movement Behind Omega, Tissot and Patek Philippe - DuMarko

Lemania Caliber 13CH: The Movement Behind Omega, Tissot and Patek Philippe

  There is a particular irony embedded in the history of Swiss watchmaking: some of the most celebrated movements to ever leave Geneva, Le Locle, or the Vallee de Joux...
Omega Constellation Observatory 2026: The Pie-Pan Revival - DuMarko

Omega Constellation Observatory 2026: The Pie-Pan Revival

  In late March 2026, Omega unveiled the Constellation Observatory — nine new references that reach deep into the brand’s archives and produce the most faithful revival of the original...
Vintage Omega Constellation Collectors Guide - DuMarko

Vintage Omega Constellation Collectors Guide

  The vintage Omega Constellation is one of Swiss watchmaking's most underappreciated masterpieces. Launched in 1952 as Omega's first mass-produced automatic chronometer, it spent three decades evolving through the most...
Cheapest Cartier Watch: New, Pre-Owned & Vintage Compared - DuMarko

Cheapest Cartier Watch: New, Pre-Owned & Vintage Compared

  Cartier's entry price is lower than you think — and on the pre-owned and vintage market, a genuine Cartier can be had for less than many new fashion watches....
Cartier Tank Watches: The Definitive Guide to History, Models, Movements, and Investment Value - DuMarko

Cartier Tank Watches: The Definitive Guide to History, Models, Movements, and Investment Value

Few timepieces have achieved what the Cartier Tank has: over a century of continuous production without a single meaningful concession to trend. Understanding it — its models, its movements, its...
Moonphase Watches: The Complete History & Collector's Guide - DuMarko

Moonphase Watches: The Complete History & Collector's Guide

  There is a moment, watching a moonphase watch, when the boundary between timekeeping and poetry dissolves entirely. A small disc rotates beneath a cut-out aperture, carrying a painted or...
The Complete Vintage Jaeger-LeCoultre Collector's Guide: Reverso, Memovox, Polaris & Beyond - DuMarko

The Complete Vintage Jaeger-LeCoultre Collector's Guide: Reverso, Memovox, Polaris & Beyond

  There is a phrase that follows Jaeger-LeCoultre everywhere in collecting circles: the watchmaker's watchmaker. It is often repeated and rarely examined. What it means, in practice, is that JLC...
The Watchmaker's Watchmaker: What Movements Did Jaeger-LeCoultre Supply to Other Brands? - DuMarko

The Watchmaker's Watchmaker: What Movements Did Jaeger-LeCoultre Supply to Other Brands?

  There is a question that stops most watch buyers in their tracks the first time they hear it: did you know that the Patek Philippe Nautilus, the Audemars Piguet...
Vintage Cartier Tank Alternatives: A Collector’s Guide to Rectangular Watches - DuMarko

Vintage Cartier Tank Alternatives: A Collector’s Guide to Rectangular Watches

In This Article The Art Deco Origins of Rectangular Watches Why Collectors Love Vintage Rectangular Watches The Golden Era of Rectangular Design Vintage Omega Rectangular Watches Vintage Longines Rectangular Watches...
Must de Cartier - the Art of the Dial - DuMarko

Must de Cartier - the Art of the Dial

In This Article The History of Les Must de Cartier The Must de Cartier Tank: Design & Construction Must de Cartier Dial Designs: The Complete Guide Must de Cartier Dial...
How to Service Vintage Watches: Full Expert Guide - DuMarko

How to Service Vintage Watches: Full Expert Guide

In This Article What Is Vintage Watch Servicing? Why Servicing Vintage Watches Matters How Often Should You Service Vintage Watches? Full Step-by-Step Breakdown Essential Things to Know Before Servicing Servicing...
The History of Vostok Amphibia: From Soviet Engineering to Vintage Legend - DuMarko

The History of Vostok Amphibia: From Soviet Engineering to Vintage Legend

The Vostok Amphibia isn’t just a dive watch — it’s a symbol of Soviet ingenuity, rugged reliability, and affordable mechanical craftsmanship. From its origins in the depths of the Cold War...