Vintage Steel Rolex Oyster Perpetual Sea-Dweller 2000 Ref: 1665/0. Circa 1978 . Water resistant to 2000 ft = 610 metres. Automatic Rolex Calibre 1575 chronometer movement, 26 jewels; 19,800 vph. Case diameter 40mm diameter. Thick, high-dome acrylic crystal. Matt black dial with heavy white dot and baton hour markers and, white metal Mercedes hands. Swiss T-25. Bi-directional rotating bezel. Steel Oyster Lock bracelet. Watch and service papers only. Rolex service papers dated November 2014. Our reference S20960.