ROLEX

Case size: 37 mm
Material: 18K gold
Movement: quartz, caliber B21
Year: circa 1971
Crystal: sapphire crystal
Bracelet: integrated original bracelet, folding clasp in 18K gold, ref. 3.71
Reference number: 5100
Serial number: 084
Movement number: 00006730
Case number: J 5100 / 209
Total weight: circa 204 gram

Please keep in mind that an overhaul might be needed, since no service history is available.