GIRARD PERREGAUX 737 Brand GIRARD PERREGAUX Caliber 737 Size 10 1/2 Function SC Version Hands Stem = 735 (eigen) Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled110BBarrel and train wheel bridge2557Bdate indicator2587BMoon phase indicator2722B2740BDate mechanism maintaining plate2785B4060= 735Coil -red93404060735