flightmaster 145.036

CaliberCaliberThe designation of a watch movement, identifying its design or movement family. 911 flightmaster with cadmium-coated hands, concentric case polishing and a heavy round O-ring holding the crystal in case of sudden cockpit decompression; water resistanceWater resistanceA watch’s ability to resist water entering its case under specified conditions, often stated as a pressure or equivalent depth. Seals can deteriorate and the crown can be damaged, so an original rating does not establish a vintage watch’s present resistance. raised to 12 atmospheres. Leonov wore one in Apollo-Soyuz training.