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Omega 343
The Omega caliber 343 represents a pivotal moment in Omega's history as one of the first chronometer-grade bumper automatic movements t...
Omega 500
The Omega Caliber 500 is the movement that ended bumper automatics at Omega and introduced the full-rotor automatic winding system that...
Omega 332
The Omega Caliber 332 designation emerged in 1949 as Omega renumbered their established 28.10 RA PC bumper automatic movement to a clea...
Omega 352 RG
The Omega Caliber 352 RG represents the pinnacle of bumper automatic technology, standing as Omega's most elaborately finished automati...
Rolex 1520
The Rolex Caliber 1520 powered some of the most iconic tool watches in horological history, including the legendary Submariner 5513 and...
Rolex 1570
The Caliber 1570 represents one of Rolex's most significant achievements in mechanical watchmaking, powering some of the brand's most l...
Rolex 1530
The Rolex Caliber 1530 occupies a peculiar position in horological history: it was the first movement Rolex manufactured entirely in-ho...
Valjoux 72
The Valjoux 72 powered some of the most valuable wristwatches ever made, including the Rolex Daytona 6239, the Patek Philippe 2499, and...
Valjoux 22
The Valjoux 22 powered some of the most historically significant chronographs of the 20th century, from Rolex's first modern wrist chro...
Rolex 3075
The Rolex Caliber 3075 represents a pivotal moment in GMT-Master history. It was the first movement in the GMT-Master line to feature a...