TUDOR Tudor, Oyster-Prince, Submariner, Rotor Self-winding, Ref. 7928, case no. 505050, circa 1965 A very well preserved and attractive, water-resistant, tonneau-shaped, automatic, stainless steel diver’s wristwatch with matte black dial, “Rose” Tudor logo, silvered writings, painted luminous indexes, luminous hands, sweep center second, riveted Oyster bracelet. Fitted with a Cal. 390, mechanical, rhodium-plated, self-winding, 17 jewels, index regulator, straight line lever escapement, blued steel flat hairspring, shock-absorbers, “papillon” rotor, monometallic balance with timing screws, screwed case back and crown, hesalite crystal, bi-directional rotating steel bezel with black insert graduated for 60 units, riveted Rolex US bracelet stamped 7-67. Dial, case and movement signed. Diam. 39.50 mm. Thickness 14.70 mm. Approx. overall length for watch and bracelet 180 mm.