1556

AUTOMATIC • Analog • Hands: Hours, Minutes, Seconds Chronometer

Jewels
26
Frequency
19,800 vph (2.8 Hz)
Diameter
28.5 mm
Height
-

About this caliber

Fourth generation of Rolex Day-Date movements. Beat increased to 19800 bph. Introduced around 1965. Hacking feature added in 1972.

Technical details

Movement
AUTOMATIC
Display
Analog
Jewels
26
Power reserve
-
Frequency
19,800 vph (2.8 Hz)
Hands
Hands: Hours, Minutes, Seconds Chronometer
Diameter
28.5 mm
Height
-
Parts
-