MEN'S ROLEX STAINLESS STEEL SEA DWELLER BLACK DIAL
Rolex Ref. 16660 Oyster perpetual Sea Dweller with Helium relief valve. Case: No. 8290238, three body, stainless steel, helium relief valve, screw down back with black enameled engraving, graduated unidirectional black bezel for decompression time, sapphire crystal, screw down crown, 40 mm Dial: black with luminous white gold round, triangular and baton indexes, luminous skeleton hands, aperture for the date, outer white minute marks. Movement: caliber 3135, rhodium plated, 31 jewels, adjusted to five positions and temperature, shock absorber, monometallic balance with self-compensating spring, hack mechanismBand: stainless steel, deploying clasp with 10 links and flip lock. Signed: Rolex Oyster Perpetual SeaDweller 4000ft = 1220 m..
Weight: 149.2g
Size: 40mm

Very good. Bezel not ratcheting, watch not operable.