SW500 M BV a
13¼'''
H 7.00 mm
Ø 30.00 mm

1. Manual winding
2. Date and day setting
3. Time setting

Finishes:
D1
D2
D3
D4
Technical documentation

Manual winding - chronograph - date - day


Cam operated chronograph - two push-buttons

Hours and minutes

60 seconds counter in the center

30 minutes counter at 12 o'clock

Optional: 15 minutes counter at 12 o'clock (SW501 M BV a)

12 hours counter at 6 o'clock

Date and day with quick setting

Manual winding

Stop second device

28'800 vibrations per hour (4 Hz)

21 jewels

Typical power reserve: 63 hours

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