====== Omega Seamaster 300 M Diver Chronometer ======
{{wst>image_cr|Omega|Seamaster 300 Diver Chronometer Titan}}

{{wst>image_r|Omega_Seamaster|Omega Seamaster (private foto)}}
**Seamaster 300 M Diver Chronometer** is a [[dive watch]] by [[Omega]].

Basic model of the [[Omega Seamaster|Seamaster]] series.

There are two variants quite different in appearance with black and blue dial, with or without colored (black/blue) [[bezel]]. The models are also equipped with two different [[self-winding]] movements the Calibre [[Omega 2500]] with [[co-axial escapement]] or its predecessor caliber [[Omega 1120]].


<WRAP ud ud_mod>

**Reference:**
  * 2220.80.00 [[stainless steel]] blue, blue [[bezel]]
  * 2252.50.00 [[stainless steel]] black, Midsize, black [[bezel]]
  * 2253.80.00 [[stainless steel]] blue, Midsize
  * 2231.50.00 Titan, black
  * 2254.50.00 [[stainless steel]] black, black [[bezel]]
  * 2255.80.00 [[stainless steel]] blau
  * 2222.80.00 [[stainless steel]] blue, Midsize, blue [[bezel]]
  * 2922.80.91 [[stainless steel]] blue, Midsize, blue [[bezel]], rubber strap
  * 212.30.41.20.01.001 [[stainless steel]] black, black [[bezel]], James Bond 007 LE
  * 212.30.41.20.01.002 [[stainless steel]] black, black [[bezel]]
  * 212.30.36.20.01.001 [[stainless steel]] black, Midsize, black [[bezel]]

**Movement:**
  * [[Self-winding]] movement [[Omega 2500]] (basis [[ETA 2892-A2]]), [[co-axial escapement]], 25.200 A/h
  * Einige Modelle [[Omega 1120]] (basis [[ETA 2892-A2]]), 28,800 A/h
  * [[COSC]] certified [[chronometer]]
  * [[Rhodinated]] movement
  * Power reserve 44 h

**Case:**
  * [[Stainless steel]], polished/[[satin-finished]] / [[titanium]]
  * D 41 mm (Midsize 36.25 mm), H 11.5 mm
  * Unidirectional turning [[bezel]] aus Aluminium
  * [[Domed]] [[sapphire crystal]] with [[anti-glare treatment]]
  * Screw-in caseback
  * Helium escape valve
  * [[Waterproof]] to 300 m

**Dial:**
  * Black or blau
  * Hands and indexes with [[luminous]] material [[Superluminova]]
  * Red seconds hand

**Functions:**
  * Hours, minutes, [[central seconds]], date

**Bracelet:**
  * [[Stainless steel]] bracelet with [[folding clasp]] / [[rubber]] strap
</WRAP>
===== Literature =====
  *Omega-Uhren. Kaleidoskop einer bekannten Swiss Marke; Author Anton Kreuzer; ISBN 3853783546
  *Omega-Modelle; Author Anton Kreuzer; ISBN 3853784186
  *Omega Sportuhren; ISBN 3871880817
  *[[Das ZEITGEFÜHL-Uhrenbuch]]; Author [[Gerd-Lothar Reschke]]; ISBN 3-938607-61-0


{{tag>Watch_models Dive_watches Omega_models}}