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Seamaster 41 mm
234.30.41.21.03.002
The varnished dial, in OMEGA’s own Summer Blue, has a gradient finish to reflect the watch’s level of water resistance. In keeping with the colour code, OMEGA has filled the rhodium-plated hands, recessed hour markers, and open numerals with a unique light blue Super-LumiNova.
Turning the watch over reveals a stamped commemorative Seamaster logo depicting a trident-bearing Poseidon and two seahorses: OMEGA’s 1956 original and the brand’s current design. Behind which sits OMEGA’s Co-Axial Master Chronometer calibre 8912, certified at the industry’s highest level by the Swiss Federal Institute of Metrology (METAS).
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Seamaster 41 mm
234.30.41.21.03.002
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Features
Features
Anti-magnetic : The movement is unaffected by exposure to strong magnetic fields, even those greater than 1.5 tesla (15,000 gauss).
Chronometer : Label given to a watch which has undergone precision tests and received a certificate from an official body (COSC).
Master Chronometer Certified : Guaranteeing the Swiss industry’s highest standard of precision, performance and magnetic-resistance, as set by the Swiss Federal Institute of Metrology (METAS).
Screw-in crown : Self-locking crown, screwed into the tube of the case, used for highly water resistant divers’ watches.
Time zone function : Allows the hour hand to be easily adjusted to different time zones without stopping the watch.
Unidirectional rotating bezel : A bezel which turns in only one direction. Particularly useful for divers who cannot accidentally rotate it in the wrong direction, which could cause them to miscalculate their dive times. A rotating bezel makes it easy to measure elapsed time.
Technical Data
Reference : 234.30.41.21.03.002
Between lugs : 21 mm
Lug‑to‑lug : 48.00 mm
Thickness : 13.85 mm
Case diameter : 41 mm
Case : Steel
Dial colour : Blue
Crystal : Domed, scratch‑resistant sapphire crystal with anti‑reflective treatment inside
Water resistance : 30 bar (300 metres / 1000 feet)
Total product weight (approx.) : 156 g
Calibre : Omega 8912
Movement Type : Self winding
Power reserve : 60 hours
Bracelet
Material : Steel
Type of Clasp : Foldover clasp with comfort setting




