Chelsea replacement keys for all Chelsea Ship's Bell and Shipstrike 8-day clocks:
Ship's Bell key fits all Chelsea marine clocks with the words "Chelsea Ship's Bell" on the dial.
Shipstrike key fits other Chelsea 8-day, key-wound marine clocks, and also fits Weems & Plath clocks
and other mechanical clocks with the German-made Hermle ship's bell strike pattern movement.
NOTE: THE IMAGE SHOWN IS OF THE SHIP'S BELL KEY.
The Shipstrike Key is silver-colored without the Chelsea logo imprint.