Rolex Sea-Dweller Accessory the first wristwatch with rotating

the first wristwatch with rotating outer bezel

when the Rolex Day-Date debuted in 1955

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

This particular Datejust (Reference 1601) dates from approximately 1972 and features a classic 36mm Oyster case

Rolex Sea-Dweller Accessory the first wristwatch with rotatingWhy 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,