SW510 M MPC a

Hand-wound monopusher chronograph with date. Features a cam-actuated chronograph controlled by a single crown-integrated pusher, displaying hours, minutes, small seconds at 9 o'clock, a central 60-second counter, and a 30-minute register at 3 o'clock (or optional 15-minute counter). Includes quick-set date, stop-second functionality, 28,800 vph (4 Hz) frequency, 23 jewels, and a 63-hour power reserve.