Gallet Clamshell

The Clamshell, manufactured between 1936 and 1951 by the Gallet Watch Company of Switzerland, is the world's first water resistant wrist chronograph.

Gallet Clamshell

The Clamshell, manufactured between 1936 and 1951 by the Gallet Watch Company of Switzerland, is the world's first water resistant wrist chronograph.