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trab1968
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Se può essere utile, ho un 2531 con seriale 6473297 che "Ranfft" cita come:
Remarks
1964-1967
excenter regulator
Kif-Duofix combined settings for escapement wheel
family:
each 18000A/h without / 21600A/h with excenter regulator
2510/2530: manual, no second
2511/2531: manual, sub second
2522/2532: manual, sweep second
2522C/2532C: manual, sweep second, date
2522P/2532P: auto, sweep second
2522PC/2532PC: auto, sweep second, date
secondo la tabella qui indicata potrebbe essere, compatibilmente, 1968.
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64 replies since 20/12/2006, 13:31 31736 views
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