CALIBRE 1525

Introduction and Launch: The Rolex calibre 1525, produced primarily in the 1960s and early 1970s, is a self-winding movement found in the Air-King Date models. Designed with a slim profile, it fits seamlessly within Rolex’s Oyster cases, enhancing the overall wearability and sleekness of the watches that house this calibre.

Technical Specifications

Jewels:
26 Jewels
Power Reserve:
Power reserve of approx 48 hours
Beat Rate:
Operating at 19,800 vibrations per hour (2.75Hz)
Movement:
Self-Winding mechanical movement
Escapement:
Calibre 1525 features a traditional Swiss lever escapement. It consists of a balance wheel, hairspring, pallet fork, and escape wheel. This mechanism not only regulates the energy release from the mainspring but also maintains the balance assembly at a consistent and precise rate
Anti-Shock:
Kif Anti-Shock System
Hairspring:
Breguet Hairspring
Certification:
Calibre 1525 is certified by the Official Swiss Chronometer Testing Institute (COSC) for precision and accuracy

Design and Features

Hands Configuration:
Hours, minutes, central seconds and date window at 3 o'clock

Watches with this Calibre

Rolex Air-King Date:
5700 / 5701
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