Example of the first Rolex "Oyster" waterproof wrist-watch of 1926 (without movement), steel case Rolex "Oyster" waterproof wrist-watch
Rolex Oyster wristwatch. Case back marked "35789 FEET 10908 METRES 21 ROLEX 23.1.60".. Movement not present. Copy of Rolex Oyster Wrist Watch, 1960