The Omega Seamaster Diver 300M Ref. 210.30.42.20.04.001 features a 42mm stainless steel case, white ceramic dial with the collection's signature laser-engraved wave pattern, and a contrasting black ceramic unidirectional diving bezel.

Power comes from the Omega Co-Axial Master Chronometer Calibre 8800, providing approximately 55 hours of power reserve. The watch is fitted to its stainless steel bracelet and offers 300 meters of water resistance.

This example comes as a full set with an open-date warranty card. It is in good pre-owned condition overall with signs of normal wear consistent with regular use.

Model: Omega Seamaster Diver 300M
Reference: 210.30.42.20.04.001
Case Size: 42mm
Case Material: Stainless Steel
Movement: Omega Co-Axial Master Chronometer Calibre 8800
Power Reserve: Approximately 55 Hours
Crystal: Domed Scratch-Resistant Sapphire Crystal
Dial: White Ceramic with Laser-Engraved Wave Pattern
Bezel: Black Ceramic Unidirectional Diving Bezel
Water Resistance: 300 Meters
Bracelet: OEM Stainless Steel Bracelet
Warranty Card: Open Date
Includes: Full Set
Condition: Good Pre-Owned Condition with Signs of Normal Wear Overall