View source for Omega Seamaster 300 M GMT

{{File|Omega|Seamaster 300 M GMT}}
{{File| 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.

{{UD|
'''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]]
}}

== 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

[[Category:Watch models]]
[[Category:GMT watches]]
[[Category:Omega models]]