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Rolex Datejust 6155
Last updated: July 6, 2025

Brand:
Model Line:
Production Period:
1951-1951
Caliber/s:
Case Width:
36mm
Case Height:
44mm
Lug Width:
20mm
Rolex Datejust 6155 Description
Reference 6155 is an exceptionally rare, early execution of the 36mm Oyster Perpetual Datejust, produced for a brief period around 1951. It is a prime example of the ‘Ovettone’ or ‘Big Bubbleback’ design. It is powered by the Rolex Caliber A.296, a non-quickset automatic movement featuring a ‘roulette’ date wheel. The technical specification 6155 denotes a model with a solid 18k yellow gold case and a finely engine-turned bezel. The 36mm case is defined by its prominent, domed ‘bubble back’ and is fitted with an acrylic crystal. The significance of the Ref. 6155 lies in its status as a very rare configuration from the dawn of the Datejust model, representing a specific aesthetic choice from Rolex’s foundational period.