====== Rolex 3085 ======
**Cal. 3085** is an automatic [[GMT]] movement produced by [[Rolex]] from [[1983]] through [[1989]].

===== Overview =====
[[Self-winding]] movement, bi-directional winding, 28,800 A/h, 27 [[jewels]], [[GMT]] function ([[dual time zone]]) and date indication.

Used in the [[Rolex GMT-Master II 16760|GMT-Master II Ref. 16760]] and [[Rolex Explorer II 16550|Explorer II Ref. 16550]].


<WRAP ud ud_mov>

**Manufacturer:**
  * [[Rolex]]

**Description:**
  * [[Self-winding]] movement, bi-directional winding
  * [[Chronometer]] certificate ([[COSC]])
  * [[Breguet hairspring]]
  * Microstella [[precision adjustment]] with regulation screws
  * Kif [[shock protection]]

**Functions:**
  * [[Central seconds]]
  * Rapid calendar advance
  * [[Hacking seconds]]
  * [[GMT]] function ([[dual time zone]]) in 24-hours mode

**Data:**
  * 12½ [[ligne]]s
  * D 28.5 mm, H 6.3 mm
  * 27 [[jewels]]
  * 28,800 A/h
  * Power reserve 42h

**Production period:**
  * Production [[1983]]-[[1989]]
  * Successor [[Rolex 3185]]
</WRAP>
===== External Links =====
  * [[https://reference.grail-watch.com/movement/rolex-3085/|Rolex 3085]]


{{tag>Movements Automatic_movements Rolex_calibres}}