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Rolex Oyster Perpetual 3538
Last updated: July 20, 2025

Brand:
Model Line:
Production Period:
1935–1939
Caliber/s:
Unconfirmed
Case Width:
30mm
Case Height:
36mm
Lug Width:
16mm
Rolex Oyster Perpetual 3538 Description
The Rolex Oyster Perpetual ref. 3538 is a vintage timepiece from the mid-1930s, exemplifying the early development of Rolex’s waterproof automatic wristwatch technology. Featuring a 30mm case in stainless steel or gold, the 3538 utilizes the classic Oyster architecture with a screw-down crown and caseback, complemented by a domed acrylic crystal. It housed an early Rolex automatic movement—either a bumper-style or rotor-based system—offering a power reserve of approximately 36 hours and solidifying the Perpetual designation. The dial layout typically featured a small seconds sub-dial at 6 o’clock, radium-lumed hands and numerals or baton indices, often on silver-toned or champagne-colored backgrounds with a clean, legible design. With a lug-to-lug measurement of 36mm and a lug width of 16mm, the 3538 maintained the modest, dress-oriented sizing typical of the era. Although lesser known than other early references, the 3538 remains historically significant as part of the generation of models that integrated Rolex’s groundbreaking self-winding technology into a practical, waterproof wristwatch. Collectors prize this reference for its rarity, early automatic mechanics, and its role in Rolex’s continued evolution during the interwar period.
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