Rolex Sea-Dweller Accessory advances were made in their

advances were made in their automatic technology and they ultimately discontinued production of the Caliber 138C after only one year

dates to the late 1980s and features a twin-register layout with an incredible silver sunburst dial

With its flared lugs

a robust automatic movement and timeless styling

stylized markers

Rolex Sea-Dweller Accessory advances were made in theirWhy We Love It In 1978, the original Sea Dweller (Reference 1665) was replaced by the Reference 16600. This new model boasted an even greater depth rating: an impressive 4000 feet (or 1220 meters). This was possible, in part, due to a larger Helium Escape Valve. Visually, the 16600 stands apart from its predecessor with a glossy dial featuring applied luminous markers. The internals were also upgraded with the Calibre 3035 movement. Rugged,