SW530 MPC b

Cam-actuated monopusher chronograph featuring a single push-button in the crown. It tracks hours, minutes, small seconds at 9 o'clock, a central 60-second counter, and a 30-minute counter at 12 o'clock (optional 15-minute version), along with a central 24-hour GMT hand with quick-set. The self-winding movement utilizes a ball bearing, includes a stop-second mechanism, 25 jewels, and maintains a 62-hour power reserve at 28,800 vibrations per hour.