Manual winding - chronograph - date
Cam operated chronograph - two push-buttons
Hours, minutes and small second at 9 o'clock
60 seconds counter in the center
30 minutes counter at 3 o'clock
Optional: 15 minutes counter at 3 o'clock (SW511 M BH a)
Date with quick setting
Manual winding
Stop second device
28'800 vibrations per hour (4 Hz)
23 jewels
Typical power reserve: 63 hours
