When underwater, diving watches can be subjected to very high pressures and extreme conditions (salt water, thermal shock, etc.). 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. For greater visibility, the markers signalling each 5 minute period are clearly indicated. 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. To prevent any accidental rotation or alteration of the dive-time indication, the bezel turns in one direction only. This norm, which controls the “Diver’s Watch” label, lays down eight criteria of reliability and imposes a series of extremely rigorous tests.Ī 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. An unmistakeably masculine watch for both everyday wear and extreme conditions, it meets the challenge of combining Cartier style with the technical requirements of ISO 6425.
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