Ferdinand Berthoud — high-complication dress watches

Chronomètre FB 4BTC

Chronomètre FB 4BTC is the wristwatch result of Naissance d'une Montre 3, pairing the hand-built FB-BTC-FC calibre with a Guillaume-type bimetallic split balance and fusee-and-chain constant-force transmission.

Open family lineage in The Dial Atlas
Ferdinand Berthoud Chronomètre FB 4BTC

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