Longines 501-227, Fourth wheel
- LONGINES original part in factory sealed packaging.
- Fits cal: 501
Data: Longines cal: 501 (Record 1955)
- 17 jewels, automatic winding, date.
- Size: 11.5''' 25.6 mm.
- H: = 5.3 mm.
- N: = 19.800 A/h.
- Power reserve: 44 h.
Versions: 19800 A/h:
- 501: date.
- 503: day, date.
- 505: quickset date.
- 507: day, quickset date.
Versions: 21600 A/h, micrometer regulator:
- 506: quickset date.
- 508: day, quickset date.