Under Close Surveillance
A unidirectional bezel, water-resistant to 300 metres, hands and dive-time indicator in superluminova: the Calibre de Cartier Diver meets all the criteria for a diver’s watch as laid down in the international standard, entitling it to carry the engraving “Diver’s watch 300 m” on the case back.
Unidirectional Turning Bezel: To prevent any accidental rotation or alteration of the dive-time indication, the bezel turns in one direction only. It has been designed with 120 notches (40 teeth and 3 points) to enable adjustment to a half-minute, with a clear sound signal during its rotation. For greater visibility, the markers signalling each 5 minute period are clearly indicated.
Display in the Dark: The Calibre de Cartier Diver can be clearly read deep below the surface due to the superluminova applied to its dive-time indicators, hour and minute hands, pre-selection device and small seconds counter.
Water-resistant to 300 Metres: When underwater, diving watches can be subjected to very high pressures and extreme conditions (salt water, thermal shock, etc.). For protection, the Calibre de Cartier Diver is fitted with a thick crystal, a screw back, oversized seals and a screw-in crown that ensure water-resistance to 300 metres. The watch has demonstrated its resistance to salt water after immersion in a solution of sodium chloride (30g/l) at 18°C - 25°C for 24 hours. Furthermore, after spending 50 hours at a depth of 30 centimetres at 18°C - 25°C, it continues to function perfectly under water.
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