ETA 255.563 Exploded diagram Brand ETA Caliber 255.563 Size 10 1/2 Function SC-D(3) Version Hands 0.70x1.20x0.20 Stem 2502 (=255.111) Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 373 MovementsArtno.brandcaliberSizehandsfunctionspecial166050ETA255.56310 1/20.70x1.20x0.20SC-D(3)166051OMEGA144110 1/20.70x1.20x0.20SC-D(3)166826RONDA100510 1/20.70x1.20x0.20SC-D(3) WatchpartsPart NocaliberdescriptionoriginalArtno.100BMain plate jewelled920001002555147950.001Mark support920001479500260255.561Minute wheel920002602554443255.111Setting lever assembled9200044325514000255.513Electronic module9200400025574003B9200400325554038B9200403825554405255.513Battery connection9200440525554929255.111Battery920049292551