Sea-Dweller

Introduced in 1967 for saturation divers, the Sea-Dweller extended the Submariner's depth rating with a helium escape valve engineered for prolonged stays in pressurised environments. A professional instrument built to surface from the deep.

• 43mm Oystersteel case & Oyster bracelet
• Calibre 3235, 70-hour power reserve
• Black Cerachrom ceramic bezel
• Black dial, date at 3 o'clock with Cyclops
• Water-resistant to 1,220m
• Accompanied by box, papers and ESTEÉ & CO. authentication