Blancpain F388B

The Blancpain caliber F388B is an automatic movement measuring 31.8 mm in diameter and contains 35 jewels. It operates at a frequency of 36,000 vibrations per hour and has a power reserve of 50 hours, wound by an automatic bidirectional system. The movement features a column wheel and small seconds, and includes a chronograph with 30 minute and 12 hour counters, powering the Air Command.