PUW 1661S Brand PUW Caliber 1661S Size 11 1/2 Function Version Hands 0,90x1,50 Stem 6080 Stem (subs.) Stem (2 pce) Balance staff 30017 Balance staff (subs.) Mainspring (subs.) 1,15x10,50x0,12 Mainspring (subs.) Battery WatchpartsPart NocaliberdescriptionoriginalArtno.210= 660Third wheel250= 660Stundenrad97500250660260= 660Minute wheel97500260660401Winding stem8026080410= 661Winding pinion with square hole97500410661723Balance staff ST -shock-absorber802300172556= 661Datumstern- / Datumanzeiger- Mitnehmerrad975025566612576= 661Date jumper97502576661