RR1405: Difference between revisions

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Latest revision as of 15:17, 23 July 2021

RR1405 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, linear triple calendar and chronograph with accumulated measurement up to 30 minutes, and power reserve is 48 hours.

Description:

Self-winding chronograph movement

Functions:

Hours, minutes, subsidiary seconds, linear triple calendar and chronograph with accumulated measurement up to 30 minutes

Data:

Ø 30 mm, H 7.9 mm
Jewels 25:28,800 A/h
Power reserve > 48 h