Rolex 4160

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Cal. 4160 (and the similar Cal. 4161) is an automatic Regatta countdown calibre by Rolex.


Self-winding chronograph movement, rotor bi-directional winding, 28,800 A/h, 42 jewels, Kif shock protection, power reserve 72 hours. Cal. 4160 contains a programmable timer with functions set using the special "Ring Command" bezel on the watch.

The movement was specifically developed on basis of the calibre 4130 for the model Rolex Yacht-Master II.

The similar Cal. 4161 was introduced in 2013 with the stainless steel Yacht-Master II Ref. 116680.




Self-winding movement, bi-directional winding
Escapement: Stone lever
Yoke winding system
Parachrom blue-Breguet hairspring
Glucydur balance wheel with Microstella regulation screws
Chronometer certificate (COSC)
Kif shock protection
Column wheel calibre


Hacking seconds
Patented regatta countdown (10 minutes)


13½ lignes
D 30.5 mm, H 6.5 mm
42 jewels
28,800 A/h
360 components
Power reserve 72h

Production period:

Since 2007