GP03300-1058

Self-winding mechanical movement with a total diameter of 25.95 mm (11 1/2''') and a height of 6.50 mm. It operates at a frequency of 28,800 vibrations per hour (4 Hz) and includes 419 parts, 63 jewels, a heavy metal oscillating weight, and a power reserve of at least 46 hours, incorporating a chronograph function.