Rolex, Explorer, "Nobel family", "Radium Chapter ring OCC Dial", ca 1956.

Case size: 36 mm
Material: steel
Movement: automatic, caliber 1030
Year: circa 1956
Crystal: plastic crystal
Bracelet: Oyster bracelet, folding clasp, ref. 1.57
Reference number: 6610
Serial number: 168'480
Movement number: 692'056
Case number: 6610/II.56
Accompanied by: certificate, chronometer certificate, box

Missing end links. Dial with patina. Defect.