Landeron 13 (13''')
Example movement: Signed Brevet and "53" on the dial side, flat balance hairspring. Aprox: 1940.
Technical data: Landeron 13
- 17 jewels, manual wind single pusher chronograph, pillar wheel, 60 s, 30 min, sub second.
- Size: 13''' 29.6 mm.
- H: = 6.20 mm.
- N: = 18.000 A/h.
- Power reserve: 42 h.
- Mainspring: 1,35 x 12 - 0,14 - 400 (Prima: 135 U 40).
Versions:
- 11: -
- 13: stronger mainspring.