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
- Glucydur balance wheel with Microstella regulation screws
- Chronometer certificate (COSC)
- Kif shock protection
- Column wheel calibre
- Patented regatta countdown (10 minutes)
- Since 2007
rolex_4160.txt · Last modified: 02.12.2022 20:38 by 127.0.0.1