The caliber 1137 - (9 Replies)

Vacheron Constantin employs the chronograph caliber 1137 in only two watches: the Malte Chronograph (ref 49180), and the Overseas Chronograph (Ref 49150). Based on the F Piguet 1185, it has been used ...

Source: http://vacheron.watchprosite.com/?show=forumpost&fi=14&pi=4965303&ti=751073&s=0

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