CALIBRE 3156

Introduction and Launch: The Rolex calibre 3156 is a high-performance automatic movement designed and manufactured by Rolex, primarily for the Day-Date II. Introduced in 2008 alongside the larger Day-Date II, this movement was specifically developed to accommodate its increased case size while upholding Rolex’s standards of precision and reliability. Featuring mechanisms for both day and date displays, the calibre 3156 ensures seamless functionality and durability, reinforcing the Day-Date II’s reputation as a sophisticated and dependable timepiece.

Technical Specifications

Jewels:
31 Jewels
Power Reserve:
Power reserve of approx 48 hours
Beat Rate:
Operating at 28,800 vibrations per hour (4Hz)
Movement:
Self-Winding mechanical movement
Escapement:
Calibre 3156 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:
Paraflex Anti-Shock System
Hairspring:
Parachrom Blue Hairspring
Certification:
Calibre 3156 is certified by the Official Swiss Chronometer Testing Institute (COSC) for precision and accuracy

Design and Features

Hands Configuration:
Hours, minutes, seconds, date window at 3 o’clock and day window at 12 o’clock.

Watches with this Calibre

Rolex Day-Date II:
218206 / 218238 / 218235 / 218239
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