Oyster Perpetual Sea-Dweller watch

EDITOR'S REVIEW

• Rolex’s formidable professional dive watch - the first to feature an automatic helium escape valve – turned 50 in 2017 and Rolex revisits the Sea-Dweller in a larger case size of 43mm. Other tweaks include a wider bracelet, the red letters on the dial like its 1967 ancestor and a Cyclops magnifying lens over the date
• Functions: hours, minutes, seconds, date, stop-seconds for precision time setting
• Case: 43mm stainless steel, unidirectional 60-minute graduated bezel with Cerachrom insert in black ceramic, helium escape valve
• Dial: black, applied white gold hour markers and hands with Chromalight markers (long-lasting luminescence)
• Movement: mechanical automatic Manufacture Rolex Calibre 3235, precision rating -2/+2 seconds/day, 70-hour power reserve, water-resistant to 1,220 metres
• Strap: solid link stainless steel Oyster bracelet with folding safety clasp, Glidelock extension system