ROLEX.A RAREAND UNUSUAL 18K GOLDAUTOMATIC WRISTWATCH WITH SWEEP CENTRE SECONDS, DAY, DATEAND JAPANESE CALENDAR SIGNED ROLEX, OYSTER PERPETUAL, DAY-DATE MODEL, REF. 1803, CASE NO. 816'422, CIRCA 1962 Movement: Cal. 1555,Automatic, 25 jewels, signed Dial: Japanese calendar, signed Case: Screw down crown, screw back, 36 mm. diam., signed With: 18k gold Rolex buckle