Longines 25.173
Tax included.
- Serial no: 5 454 511 (aprox: 1938).
- Flat hairspring.
Data: Longines 25.173
- 15 jewels, manual winding. indirect sub second.
- Size: 8 x 11.5''' 17.8 x 26.55 mm.
- H: = 4.0 mm.
- N: = 18.000 A/h.
- Power reserve: 43 h.
- Mainsping: 1.60 x 10.0 x 0.10 x 360 mm.
Versions:
- 25.17, 9L: Bimetallic balance, Breguet hairspring.
- 25.173: Monometallic balance, flat hairspring.
- 25.17ABC, 9LT: Monometallic balance, flat hairspring.