Longines 501-420, Crown wheel

• LONGINES original part in factory sealed packaging.

• Comes with screw and crown wheel core.

• Fits cal: 501, 503, 505, 506, 507, 508

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.