![Rolex, Oyster Perpetual, Officially Certified Chronometer, BUBBLE BACK, Ref. 2940. Fine, tonneau-shaped, center seconds, self-winding, water resistant, stainless steel and yellow gold wristwatch with original buckle. Made in the 1940's. - Auction Rolex, Oyster Perpetual, Officially Certified Chronometer, BUBBLE BACK, Ref. 2940. Fine, tonneau-shaped, center seconds, self-winding, water resistant, stainless steel and yellow gold wristwatch with original buckle. Made in the 1940's. - Auction](https://imageapi.cambiaste.com/api/lotto/immagine/195114/0/800.jpg)
Rolex, Oyster Perpetual, Officially Certified Chronometer, BUBBLE BACK, Ref. 2940. Fine, tonneau-shaped, center seconds, self-winding, water resistant, stainless steel and yellow gold wristwatch with original buckle. Made in the 1940's. - Auction
![A stainless steel vintage Rolex Oyster Royal watch, 1940s | Vintage rolex, Omega watch vintage, Vintage watches A stainless steel vintage Rolex Oyster Royal watch, 1940s | Vintage rolex, Omega watch vintage, Vintage watches](https://i.pinimg.com/originals/98/09/55/98095593de0337243908206a0e5516c3.jpg)
A stainless steel vintage Rolex Oyster Royal watch, 1940s | Vintage rolex, Omega watch vintage, Vintage watches
![Rolex Geneva - Oyster Perpetual Chronometer - Stahl/Gold - "California" - 3372 - Unisex - Schweiz um 1940 | auctionlab Rolex Geneva - Oyster Perpetual Chronometer - Stahl/Gold - "California" - 3372 - Unisex - Schweiz um 1940 | auctionlab](https://assets.catawiki.nl/assets/2023/2/14/f/6/1/f6188fcc-12ec-428f-bed2-d27872e4b457.jpg)
Rolex Geneva - Oyster Perpetual Chronometer - Stahl/Gold - "California" - 3372 - Unisex - Schweiz um 1940 | auctionlab
![Sold at Auction: ROLEX OYSTER PERPETUAL 18CT GOLD 'BUBBLE BACK' REF. 3130 CIRCA 1940, circular patina dial with appli Sold at Auction: ROLEX OYSTER PERPETUAL 18CT GOLD 'BUBBLE BACK' REF. 3130 CIRCA 1940, circular patina dial with appli](https://image.invaluable.com/housePhotos/SterlingVault/38/749938/H21100-L335534952.jpg)
Sold at Auction: ROLEX OYSTER PERPETUAL 18CT GOLD 'BUBBLE BACK' REF. 3130 CIRCA 1940, circular patina dial with appli
![ROLEX | REFERENCE 3130 OYSTER PERPETUAL 'BUBBLEBACK' RETAILED BY CARTIER: A YELLOW GOLD AUTOMATIC WRISTWATCH, CIRCA 1940 | Watches | 2020 | Sotheby's ROLEX | REFERENCE 3130 OYSTER PERPETUAL 'BUBBLEBACK' RETAILED BY CARTIER: A YELLOW GOLD AUTOMATIC WRISTWATCH, CIRCA 1940 | Watches | 2020 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/8763b55/2147483647/strip/true/crop/2000x2000+0+0/resize/2048x2048!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fd5%2Fc2%2Fa329d3d340bdb0e2419b93555df9%2Fn10326-bn5mw-36-1.jpg)