Maker: Rolex
Model: Oyster Perpetual Turn-O-Graph
Reference number: 6202
Serial number: 850567
Year: Circa 1953
Case size: Approx. 35 mm
Case material: Stainless steel
Bezel: Bi-directional black ceramic rotating bezel
Dial: Black
Movement: Automatic
Bracelet/Strap: Black leather
Stamps: Inner case back: GENEVA SWISS ROLEX PATENTED 6202 154 13. Movement: ROLEX PERPETUAL SWISS MADE PATENTED. Case: BREVET 6202 850567.
Gross weight: 33.20 dwt.

The Rolex Reference 6202 is a historic milestone in horology, recognized as the first serially produced Rolex to feature a rotating bezel. Launched in 1953, it is widely considered the "missing link" or precursor to the legendary Submariner and GMT-Master lines.