Tissot 13''' 1918
Tax included.
- Example movement, no: 140 555, manufactured in 1918: Cut bimetallic balance, Breguet hairspring, signed with Swiss patent no: 51489.
- Movement comes from a 37 mm 14K wristwatch, signed on dial: CH. F. TISSOT & FILS, LOCLE
Technical data: Tissot cal: 13'''
- 15 jewels, manual wind, stem wind and set.
- Size: 13''' 28.79 mm.
- H: = 4.20 mm.
- N: = 18.000 A/h.
- Power reserve: