CALIBRE 1135

Introduction and Launch: The Rolex calibre 1135, introduced in the early 1950's, is an automatic movement, designed for various Rolex Oyster Perpetual Date models. Combining practical functionality with classic design elements, it played a key role in the evolution of Rolex’s automatic movements. Featuring a Swiss lever escapement, day and date complications, Kif shock absorbers, and a traditional hairspring, the calibre 1135 exemplifies Rolex’s commitment to precision, reliability, and timeless elegance.

Technical Specifications

Jewels:
26 Jewels
Power Reserve:
Power reserve of approx 42 hours
Beat Rate:
Operating at 19,800 vibrations per hour (2.75Hz)
Movement:
Self-Winding mechanical movement
Escapement:
Calibre 1135 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 1135 is certified by the Official Swiss Chronometer Testing Institute (COSC) for precision and accuracy

Design and Features

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

Watches with this Calibre

Rolex Oyster Perpetual
Datejust:
6513 / 6514 / 6516 / 6517 / 6519 / 6520 / 6521 / 6527 / 6529 / 6531 / 6533 / 6624 / 6625 / 6626 / 6627 / 6628 / 6629 / 6630 / 6631 / 6636 / 6638 / 6639 / 6701 / 6702
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