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Rolex 722
Last updated: July 28, 2025
Brand
Caliber Number
722
Production Period
1963 – 1965
Lignes
13”’
Diameter
29.5 mm
Height
6.7 mm
Power Reserve
Unconfirmed
Frequency
18,000 A/h (2.5 Hz)
Jewels
17
Escapement
Swiss Lever
Anti-Shock Device
Kif Flector
Hand Count
6 (Hour, Minute, Central Chronograph Second, 3x Sub-dial hands)
Manufacture Region
Unconfirmed
Functions
Chronograph with 12-hour and 30-minute counters, Small Seconds
Rolex 722 Description
The Rolex Caliber 722 (R72B) is a manual-wind column-wheel chronograph based on the Valjoux 72. As the successor to the initial R72, it was used in the first Cosmograph Daytona models (ref. 6239) around 1963-1965. Its primary upgrade was the consistent implementation of an improved shock protection system (Kif Flector), enhancing durability. It retained the 18,000 A/h beat rate and flat hairspring of its predecessor and was succeeded by the Cal. 722-1.
