OMEGA Seamaster 300 (Summer Blue)

The Omega Seamaster 300 reference 234.30.41.21.03.002 is a dive watch with a 41 mm steel case. The case measures 13.85 mm thick and 48 mm lug to lug, with a domed sapphire crystal treated with antireflective coating inside. A unidirectional rotating bezel surrounds the blue dial, paired with a screw-down crown. The self-winding calibre 8912 drives the watch, certified as a Master Chronometer and resistant to magnetic fields up to 15,000 gauss. It offers a 60 hour power reserve and a time zone function, useful for tracking a second zone. The steel bracelet closes with a foldover clasp that includes a comfort setting. Water resistance reaches 300 metres, or 30 bar.