MODEL CASEOyster, 40 mm, Oystersteel and yellow goldOYSTER ARCHITECTUREMonobloc middle case, screw-down case back and winding crownDIAMETER40 mmMATERIALYellow Rolesor - combination of Oystersteel and yellow goldBEZELFixed, with engraved tachymetric scale, in yellow goldWINDING CROWNScrew-down, Triplock triple waterproofness systemCRYSTALScratch-resistant sapphireWATER RESISTANCEWaterproof to 100 metres / 330 feetMOVEMENTPerpetual, mechanical chronograph, selfwindingCALIBRE4130, Manufacture RolexPRECISION-2/+2 sec/day, after casingFUNCTIONSCentre hour, minute and seconds hands, small seconds hand at 6 o'clock. Chronograph (centre hand) accurate to within 1/8 of a second, 30-minute counter at 3 o'clock and 12-hour counter at 9 o'clock. Stop seconds for precise time settingOSCILLATORParamagnetic blue Parachrom hairspringWINDINGBidirectional self-winding via Perpetual rotorPOWER RESERVEApproximately 72 hours品相报告: Notice to bidders: Please note the absence of a condition report does not imply that there are no condition issues with this lot. Please contact us for a detailed condition report.