Very Scarce. ROLEX 3139 Subsidiary Seconds 30mm Cushion Screw down Crown & Back Circa: 1943. 30mm diameter and 11mm thick. Rolex purchased the Oyster Watch Co. in 1925 to obtain the patent rights in several countries for the screw down crown and back waterproof qualities. Produced by the Oyster Watch Co., this watch was merchandised through the Rolex Watch Co. through the WWII War years. Note the inside back of this case is marked "Oyster Watch Co./GENEVA SWISS" with the patent rights of several countries and the serial No. 104,200. Note: the back edge of the outside back is marked: BASE METAL /R.W.C. (Rolex Watch Co.)/3139. The dial is professionally restored to the signature: ROLEX Everest Observatory.
The original 30 hour winding is a 3/4 plate nickel design, pendent set, 17 Seventeen Jewels, Adjusted 2 Positions, pendent set, with the winding wheel marked: "PATENTED SUPERBALANCE". Clean, running and still in wonderful condition free of distraction. THIS IS A FINE COLLECTIBLE. DON'T INVEST IN THE STOCK MARKET. BUY SOMETHING PROVEN IN TIME.
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