Longines 27M-5423, Screw for crown wheel core
Tax included.
- LONGINES original screw form a NOS movement.
- Left threaded.
- Fits cal: 27M, 27MS
Data: Longines 27M
- 17 jewels, manual winding, sub second.
- Size: 12''' 27,0 mm.
- H: = 3.2 mm.
- N: = 18.000 A/h.
- Power reserve: 40 h.
Versions:
- 27M: sub second, flat hairspring, H=3,20 mm.
- 27MS: sweep second, flat hairspring, H=4,30 mm.
- 27M: shock resist, sub second, flat hairspring.
- 27MS: shock resist, sweep seccond, flat hairspring.