Rolex. A Fine and Rare Stainless Steel Automatic Wristwatch with Center Seconds, Date, 24 Hour Hand, Bracelet, and Ivory-Colored Rail DialSigned Rolex, Oyster Perpetual Date, Explorer II, Ref. 16550, Case No. 8'430'960, Circa 1984Cal. 3085 automatic movement, 27 jewels, ivory-colored dial, luminous dot, baton, and dagger numerals, white gold luminous mercedes hands, sweep center seconds, magnified aperture for date, central luminous 24 hour hand, tonneau-shaped water-resistant-type case, bezel calibrated for 24 hours, screw-down crown, screw back, stainless steel Rolex Oyster bracelet and deployant clasp, case, dial, and movement signed39mm diam.