
Longines 501-110, Train wheel bridge
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NOS LONGINES original train wheel bridge, not in factory packaging
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Fits cal: 501, 503, 505
Data: Longines cal: 501 (Record 1955)
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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:
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501: date. -
503: day, date. -
505: quickset date. -
507: day, quickset date.
Versions: 21600 A/h, micrometer regulator:
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506: quickset date. -
508: day, quickset date.