RR1401: Difference between revisions
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meta>Stephen Foskett (Created page with ''''RR1401''' is a watch calibre by Ball Watch Company. It is an automatic mechanical chronograph movement based on the Valjoux 7750. Complications are hours, min…') |
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Latest revision as of 15:17, 23 July 2021
RR1401 is a watch calibre by Ball Watch Company.
It is an automatic mechanical chronograph movement based on the Valjoux 7750. Complications are hours, minutes, subsidiary seconds, date and chronograph with accumulated measurement up to 45 minutes, and power reserve is 38 hours.
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