SW510 M MP c

Manual-winding monopusher chronograph with a single 2 o'clock push-button, showing hours and minutes. Features a central 60-second chronograph hand, a 30-minute counter at 3 o'clock (optional 15-minute version as SW511 M MP c), and a quick-set date. Includes manual winding, stop-second, 28,800 vibrations per hour (4 Hz), 23 jewels, and a 63-hour power reserve.