ROLEX REF. 5031, STEEL & GOLD Rolex, “Oyster Perpetual, Officially Certified Chronometer”, case No. 612627, Ref. 5031. Made in 1948. Fine and rare, tonneau-shaped, centerseconds, self-winding, waterresistant, 18k yellow gold and stainless steel chronometer’s wristwatch with alternating red/black date and a gold plated Rolex buckle. To be sold without reserve Three-body, two-tone, polished and brushed, screwed-down case back and crown, yellow gold graduated bezel and winding-crown, stainless steel case. Off-white with applied yellow gold dart indexes and luminous dots, outer minute and seconds divisions, aperture for the gold rimmed date. Luminous yellow gold dauphine hands.