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Rolex Datejust 6604
Last updated: July 6, 2025

Brand:
Model Line:
Production Period:
1956-1959
Caliber/s:
Case Width:
36mm
Case Height:
44mm
Lug Width:
20mm
Rolex Datejust 6604 Description
Reference 6604 is a rare, transitional 36mm Oyster Perpetual Datejust model produced for a short period from approximately 1956 to 1959. The watch is powered by the Rolex Caliber 1065, a non-quickset automatic movement whose slimmer architecture enabled a more streamlined case profile compared to earlier ‘Bubbleback’ designs. This reference was produced in solid 18k gold (yellow or rose), and the 04 designation specifically denotes a smooth, polished bezel. Key technical features of the dial often include gilt printing, ‘dagger’ hour markers, and a ‘roulette’ date wheel. Its significance lies in its combination of a precious metal construction with a minimalist smooth bezel on the technically important slimmed-down case platform.