====== Rolex 4130 ======
Calibre 4130 is an [[automatic chronograph]] movement by [[Rolex]].

===== Overview =====
[[Self-winding]] [[chronograph]] movement, [[rotor]] bi-directional winding, 28,800 A/h, 44 [[jewels]], [[Kif]] [[shock protection]], power reserve 72 hours.

The movement has been developed for the model [[Rolex Oyster Perpetual Cosmograph Daytona|Cosmograph Daytona]], in which a modified [[El Primero]] [[chronograph]] movement by [[Zenith]] (called [[Rolex 4030]]) had been used before.

This was the first movement to use Rolex's [[Parachrom]] [[hairspring]] alloy when introduced in [[2000]].


<WRAP ud ud_mov>

**Description:**
  * [[Self-winding]] movement, bi-directional winding
  * [[Escapement]] Stone lever
  * [[Yoke winding system]]
  * [[Parachrom blue]]-[[Breguet hairspring]] (since ca. [[2005]])
  * Kif [[shock protection]] for [[balance wheel]] and [[escape wheel]]
  * [[Chronometer]] certificate ([[COSC]])
  * [[Column wheel]] calibre

**Functions:**
  * Hours, Minutes, [[small seconds]], date
  * [[Chronograph]]
  * [[Hacking seconds]]

**Data:**
  * 13½ [[ligne]]s
  * D 30.5 mm, H 6.5 mm
  * 44 [[jewels]]
  * 28,800 A/h
  * Power reserve 72h

**Production period:**
  * Since [[2000]]
</WRAP>

{{tag>Movements Rolex_calibres Automatic_chronograph_movements Column_wheel_chronograph_movements}}