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Close-up of a mechanical watch movement with gears, screws, and engraved details on a white background.
Garrett Silverstein
26 Jul 2025
July 27, 2025

Rolex 3186

The Rolex 3186 is an automatic GMT movement introduced c. 2005 as an upgrade to the 3185. Its key improvements were the introduction of...
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Close-up of a Rolex watch movement, showing intricate gears and ROLEX S.A. GENEVA SWISS engraved in gold.
Garrett Silverstein
26 Jul 2025
July 27, 2025

Rolex 4030

The Rolex 4030 is the legendary automatic chronograph movement that powered the "Zenith" Daytona from 1988 to 2000. It is based on the ...
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Close-up of a Rolex watch movement with gears and engraved text visible on the metal parts.
Garrett Silverstein
26 Jul 2025
July 28, 2025

Rolex 5035

The Rolex 5035 is a high-grade, in-house quartz movement developed for the Oysterquartz Datejust. Introduced in 1977, it is a thermocom...
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Close-up of a Rolex watch movement, showing gears, jewels, and engraved markings.
Garrett Silverstein
26 Jul 2025
July 27, 2025

Rolex 5055

The Rolex 5055 is a modern, in-house automatic movement developed for the Cellini collection. Introduced in 2017, its signature feature...
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Close-up of mechanical watch movement with visible gears, cogs, and intricate metal parts.
Garrett Silverstein
26 Jul 2025
July 27, 2025

Rolex 618

The Rolex Caliber 618 is a large (16''') manual-wind movement based on a Cortébert 616 pocket watch ébauche. Rolex modified and finishe...
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Close-up of a Rolex Perpetual Chronometer watch movement showing engraved text and mechanical parts.
Garrett Silverstein
26 Jul 2025
July 27, 2025

Rolex 620

The Rolex Caliber 620 was a workhorse automatic movement of the "Big Bubbleback" era from the mid-1940s to early 1950s. As a key member...
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Close-up of a Rolex watch movement rotor engraved with Rolex Perpetual and technical details.
Garrett Silverstein
26 Jul 2025
July 27, 2025

Rolex 645

The Rolex Caliber 645 is a chronometer-grade automatic movement from the early 1950s "Semi-Bubbleback" era. As part of the larger 600-s...
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Garrett Silverstein
26 Jul 2025
July 26, 2025

Rolex 500

The Rolex Caliber 500 is the specific, foundational automatic movement that launched the legendary "Oyster Perpetual" line in the early...
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Close-up of a mechanical watch movement with visible gears, screws, and “Daytona” engraved on a metal part.
Garrett Silverstein
26 Jul 2025
July 28, 2025

Rolex 4130

The Rolex 4130 is the first fully in-house, integrated automatic chronograph by Rolex, introduced in 2000 to power the Cosmograph Dayto...
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Close-up of intricate, exposed gears and mechanisms inside a luxury Swiss watch movement.
Garrett Silverstein
26 Jul 2025
July 28, 2025

Rolex 722

The Rolex Caliber 722 (R72B) is a manual-wind column-wheel chronograph based on the Valjoux 72. As the successor to the initial R72, it...
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