Omega SA 2500, 2520, 1538, 1120, 1400, 1532, 1108, 1680, 1424, 1530 manual Operating Instructions

Operating Instructions Viii Xviii Contents Special recommendations What are the service intervals?Leather straps Environmental protectionScrew-in crown Anti-reflective treatmentValid for U.S.A. only Omega International WarrantyOmega SA Rue Stämpfli 96, 2500 Bienne Omega International Warranty Above manufacturer’s warranty Calibres 1376, 1456 fig Quartz WatchCalibres 1426, 1530, 1532 fig Calibres 1424, 1538 figCalibres 1424 Time setting by pressing the correctorCalibre 4000 fig. IIbis Calibre 1270 fig Quartz chronographWatch functions Chronograph functionsCalibre Pusher B ResetSimple timing function crown in position Pusher a Start stop read timePusher a Start Addition function crown in positionPusher a Stop to read time Pusher a Press again to restart Pusher a StopManual & Self-winding watch Power reserve cal Counter at 9 o’clock small secondsCalibres 1120, 2500, 2520, 2610 fig 2627 fig. III 2300 fig Crown has 2 positions Power reserveCalibre 2201 Manual-winding Self-winding chronograph Pusher B reset after a stopCalibres 3205 fig. XV 3220 fig. Xiii 3601 Regatta function calApnea function cal Regatta functionApnea function based on a 14 minute dive Calibre 3304 fig Self-winding chronograph with dateChanging the date press the corrector C at 10 o’clock Calibre 1151 figWatch functions calibre Self-winding split seconds chronographChronograph functions with split seconds Self-winding split seconds chronographCalibres 1861, 1863 fig. XV 1866, 3604 fig Manual-winding chronographDate setting small counter at 12 oclock press corrector C Calibre 1866-Date and moon phase correctionPerpetual calendar Setting the hands minutes and secondsCalibre 1680 fig ThermocompensationDisplay and correction of the month Display and correction of the yearly cycle Calibres 1128 fig. VI 2628 fig 3603 fig Self-winding GMT & GMT ChronographSelf-winding GMT & GMT Chronograph Second Time Zone calibre 1128, fig Coincide with a given time signalBi-directional turning bezel calibre Second Time Zone calibre 2628, fig. VII, calibre 3603, figDays 14,15 Position Temperature 23C Days Position Temperature 23C32 -1 to +6 seconds per day Precision tolerancesOther Omega mechanical watches Quartz watchesHelium escape valve fig Helium escape valvePressure is gradually increased to Not functional, since it is screwed How to use the helium escape valve figTachymetric scale Using the tachymetric scaleExample calculating the speed of a car Rubber strap Rubber strap Foldover clasps Adjusting the lengthSnap-fastening foldover clasps Opening ClosingFoldover clasps with pushers Opening fig Adjusting the length figClosing fig Pictograms