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date: set by changing 22:30-24h
11.5''', Dm= 25.6mm, Do= 26mm
(ball bearing +0.1mm)
f = 28800 A/h
power reserve 40h
1.50 x 0.90 x 0.21mm
Comments about the data
36000 A/h, excenter regulator:
430: sweep second
431: sweep second, date
432: no second
433: no second, date
28800 A/h, micrometer regulator:
6641: sweep second, 25 jewels
6642: sweep second, 17 jewels
6651: sweep second, date, 25 jewels
6652: sweep second, date, 17 jewels
Example, year: signature; shock device
1972: 51602075, Longines, Longines Watch Co Swiss, 28'800, Adjusted 4 Positions and Temperature, 25 Jewels; Kif-Ultraflex
Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.
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