A vintage Minerva Chronograph.
With some special lugs. Even the location of the pushers, close to the lugs, is original. Enjoy, Nicolas ...
Lovely Minerva 👌🏻👍🏻
A lot of the Cal13-20 pieces have the pushers close to the lugs as the case size and movement size are much more closely aligned than is common nowadays 😊 Here mine as a comparison 👍🏻 ...
single button and the problem goes away
note where the minute counter starts for the chronograph 30 min register ...