OMEGA 1680 Exploded diagram Brand OMEGA Caliber 1680 Size 10 1/2 Function SC-CLD (F3) Version Hands 1,20x0,70x0,20 Stem = 252.411 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.405= 252.411Winding stem -mouv.part9200040525244000= 252.411Electronic module1680-40009200400025244011= 252.411Gedruckte Schaltung1680-40119200401125244407= 252.411Earth connector (+)1680-4407920044072524