A sensational and extremely well preserved 1940s Gallet Multichron “Clamshell”, the first waterproof chronograph, with a beautiful patinated silver multi-scale dial featuring snail telemetry scale and outer tachometer scale, and a broad unpolished and patented two piece 34.5mm screwback case, the feature that yielded this watch its nickname, powered by a manually wound Venus caliber, running well and keeping accurate time.
A sensational and extremely well preserved 1940s Gallet Multichron “Clamshell”, the first waterproof chronograph, with a beautiful patinated silver multi-scale dial featuring snail telemetry scale and outer tachometer scale, and a broad unpolished and patented two piece 34.5mm screwback case, the feature that yielded this watch its nickname, powered by a manually wound Venus caliber, running well and keeping accurate time.