====== Omega Seamaster 300 M GMT ======
{{wst>image_cr|Omega|Seamaster 300 M GMT}}

{{wst>image_cr|Omega|Seamaster 300 M GMT Blau|Omega Seamaster 300 M GMT Blue}}

[[Dive watch]] by [[Omega]]

Version of the [[Omega Seamaster]] with [[GMT]] indication. There are two variants quite different in appearance with black and with blue dial. They are also equipped with two different [[self-winding]] movements. The blue version also has a helium overpressure valve.


<WRAP ud ud_mod>

**Reference:**
  * 2234.50.00 [[stainless steel]] black
  * 2834.50.91 [[stainless steel]] black, rubber strap
  * 2535.80.00 [[stainless steel]] blue

**Movement:**
  * [[Self-winding]] movement [[Omega 1128]] (black) (basis [[ETA 2892-A2]]), 28,800 A/h
  * [[Omega 2628]] (blue) (basis [[Omega 2500]]), [[co-axial escapement]], 25.200 A/h
  * [[Dual time zone]]
  * [[COSC]] certified [[chronometer]]
  * [[Rhodinated]] movement
  * Power reserve 44 h

**Case:**
  * [[Stainless steel]], polished/[[satin-finished]]
  * D 41 mm, H ? mm
  * Unidirectional turning [[bezel]]
  * [[Domed]] [[sapphire crystal]]
  * Screw-in caseback
  * Blue version Helium overpressure valve, transparent caseback
  * [[Waterproof]] to 300 m

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

**Functions:**
  * Hours, minutes, [[central seconds]]
  * [[GMT]] indication

**Bracelet:**
  * [[Stainless steel]] bracelet with [[folding clasp]]
</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 GMT_watches Omega_models}}