ROLEX.A VERY RAREAND FINE 18K GOLD WRISTWATCH WITH SWEEP CENTRE SECONDS, DATEAND BRACELET SIGNED ROLEX, QUARTZ, REF. 5100, CASE NO. 119, CIRCA 1971 Movement: Cal. Beta 21, quartz, 13 jewels, signed Dial: Signed Case: Snap on back with securing bars, 39 mm. diam., signed With: 18k gold Rolex braceletAnd deployant clasp, overall lengthApproximately 180 mm.