GIRARD PERREGAUX 737BrandGIRARD PERREGAUXCaliber737Size10 1/2FunctionSCVersionHandsStem= 735 (eigen)Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled110BBarrel and train wheel bridge2557Bdate indicator2587BMoon phase indicator2722B2740BDate mechanism maintaining plate2785B4060= 735Coil -red93404060735