CALIBRE 765

Introduction and Launch: The Rolex calibre 765, introduced around 1950, is an automatic movement featured in the Rolex Datejust. Known for its precision and innovation, it operates at 18,000 beats per hour (bph) and includes a sweep seconds hand and a calendar function. This historically significant calibre played a key role in Rolex's legacy of watchmaking excellence.

Technical Specifications

Jewels:
18 Jewels
Power Reserve:
Power reserve of approx 42 hours
Beat Rate:
Operating at 18,000 vibrations per hour (2.5Hz)
Movement:
Self-Winding mechanical movement
Escapement:
Calibre 765 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:
No Information Available

Design and Features

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

Watches with this Calibre

Rolex Datejust