Lot - ROLEX “White gold Prototype”, Oyster Perpetual Date, Submariner, Superlative Chronometer Officially Certified, Ref. 1680, movement no. D701771, no serial number, circa 1973
The Story about Rolex Prototypes of Dial Maker SINGER.... - Rolex Passion Report
Auctions: This Very Strange White Gold Prototype Is Now The Most Expensive Rolex Submariner In The World - Hodinkee
The Story about Rolex Prototypes of Dial Maker SINGER.... - Rolex Passion Report
The Story about Rolex Prototypes of Dial Maker SINGER.... - Rolex Passion Report
OceanicTime: Rolex U.S. MARINE Prototype
Rolex - The Geneva Watch Auction: E... Lot 25 November 2018 | Phillips
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Auctions: This Very Strange White Gold Prototype Is Now The Most Expensive Rolex Submariner In The World - Hodinkee