Calibre de Cartier Diver can be clearly read deep below the surface due to the Super-LumiNova applied to its dive-time indicators, hour and minute hands, pre-selection device and small seconds counter. 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 meters. The watch has demonstrated its resistance to salt water after immersion in a solution of sodium chloride (30 g/l) at 18°C – 25°C for 24 hours. Furthermore, after spending 50 hours at a depth of 30 centimeters at 18°C – 25°C, it continues to function perfectly under water https://www.captainthewatch.is/.
The Calibre de Cartier Diver furthermore hast to resist a magnetic field of 4800 A/m tested in four cycles of one minute time. Its deviation thereafter must not be bigger then 30 seconds a day and the drop of amplitude not more then 20 degrees. In terms of shocks it has to pass the NIHS 91-10 test; that´s a drop from one meter on a hard surface analog to 3000 G. Another extreme: The rubber strap is tested with a force of 200 N being mounted on the watch, the watch, for security reasons, is tested at 375 meters for on minute and the screwed-in crown with its four joints is stressed with an external force of a 5 N.
The Calibre de Cartier Diver furthermore hast to resist a magnetic field of 4800 A/m tested in four cycles of one minute time. Its deviation thereafter must not be bigger then 30 seconds a day and the drop of amplitude not more then 20 degrees. In terms of shocks it has to pass the NIHS 91-10 test; that´s a drop from one meter on a hard surface analog to 3000 G. Another extreme: The rubber strap is tested with a force of 200 N being mounted on the watch, the watch, for security reasons, is tested at 375 meters for on minute and the screwed-in crown with its four joints is stressed with an external force of a 5 N.
Calibre de Cartier Diver is powered by the in 2010 introduced 1904 MC calibre. By the way it was the first self-winding movement to be developed and assembled by Cartier’s watchmakers. Its highly symbolic name recalls the pioneering spirit of Louis Cartier who, in 1904, created one of the very first modern wristwatches for his friend, the pilot Alberto Santos-Dumont.
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