Movement: automatic Rolex cal. 4030 (Zenith El Primero base)
Dial: original black dial with diamond indexes and “T Swiss Made T” marking
Functions: chronograph with three sub-dials
Crystal: sapphire
Bracelet: original 18k yellow gold Rolex bracelet, period-correct
Reference: 16528
Year: 1991
Accessories: full set with original box and papers
Service: serviced by Rolex in 2023
Condition: like new
Key Features
Iconic Rolex Daytona Zenith ref. 16528
Rare black dial with diamond indexes and “T Swiss Made T” signature
Caliber 4030, derived from the legendary Zenith El Primero
Original and period-correct 18k yellow gold bracelet
Full set example with recent official Rolex service
Historical Context
The Rolex Daytona ref. 16528 belongs to the Zenith era, produced from the late 1980s to the early 2000s, and is now among the most appreciated generations by collectors. The caliber 4030, based on the Zenith El Primero and extensively modified by Rolex, is considered one of the finest automatic movements ever fitted to a Daytona. Configurations featuring black dials with diamond indexes are particularly rare, especially those bearing the “T Swiss Made T” marking, indicating the use of tritium. This 1991 example, complete with original accessories and recently serviced by Rolex, represents one of the most interesting configurations of the reference.
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