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Seamaster Diver 300M 42 mm
210.30.42.20.03.004
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Seamaster Diver 300M 42 mm
210.30.42.20.03.004
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Seamaster Diver 300M 42 mm
210.30.42.20.03.004
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Features
Features
Antimagnetic: The movement resists magnetic fields in excess of 1.5 tesla (15,000 gauss).
Master Chronometer certification: This certification guarantees the highest level of precision, performance and magnetic resistance in Swiss industry, as established by the Swiss Federal Institute of Metrology (METAS).
Chronometer: Label awarded to a watch that has been successfully tested by an accredited independent laboratory to receive a certificate conforming to the ISO 3159 chronometer standard.
Screw-in crown: self-locking crown screwed into the case tube, used for highly water-resistant diving watches.
Transparent back: A transparent back, often sapphire, allows the movement inside the watch to be seen.
Unidirectional rotating bezel: Bezel turning in one direction only. Particularly useful for divers, as they can’t accidentally turn it in the wrong direction and thus miscalculate their dive times. A rotating bezel makes it easier to measure elapsed time.
Helium valve: Decompression system allowing helium to escape from the watch when worn by professional divers (long-term underwater work, offshore oil exploration, etc.).
Technical data
Reference: 210.30.42.20.03.004
Lug spacing: 20 mm
Height from horn to horn: 50.00 mm
Thickness: 14.23 mm
Case diameter: 42 mm
Case: Steel
Dial color: Aluminum blue
Glass: Domed, scratch-resistant sapphire crystal with anti-reflective coating on inside
Water resistance: 30 bar (300 meters/1,000 feet)
Total product weight (approx.): 157 g
Movement: OMEGA 8806 James Bond
Movement type: Self-winding
Power reserve: 55 hours
Bracelet
Material: Steel
Buckle type: Deployment clasp
Buckle material: Stainless steel






