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Rolex - 6547 - Oyster Perpetual - Unisex

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Rolex - 6547 - Oyster Perpetual - Unisex
Name 6547
Family Oyster Perpetual
Gender Unisex
Movement Rolex 1160 (Details)
Years in Production 1958
Mechanism Automatic
Chronometer Yes
Hacking No
Date Function No
Quickset No
Power Reserve (Hours) 42
Frequency (bph) 28,800
Jewel Count 26
Hour Marks Index
Crown Position 3 O'Clock
Crystal Material Acrylic
Band Material Gold 18K Yellow
Band Replaceable Yes



Mechanism:
The Cal. 1160 began service in 1964 in the ref. 6547, a midsize, steel example of the range, and ended in the early seventies in the ref. 6803. Rolex replaced this with the Cal. 1570, which introduced a seconds hacking feature (which is not present in the 1160). Although often regarded as the entry-level Rolex, and the watch that represents the buy in to the brand for new collectors, the Oyster Perpetual range still benefits from the same level of engineering excellence and attention to detail as anything else that bears the Rolex name, and nowhere more so than in its mechanism.

In addition, the Rolex 1160 is a chronometer certified movement, rated accurate to within -4/+6 seconds a day. Also, its free-sprung Nivarox hairspring features a Breguet overcoil, and it has a power reserve of 42 hours. Its balance wheel is regulated by Rolex’s Microstella system, two pairs of weighted screws on the inside of the balance rim that makes the wheel more aerodynamic and its adjustment easier to fine tune.

Item created by: gdm on 2019-03-01 14:43:12

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