BUREN 1280BrandBURENCaliber1280Size12 1/2FunctionAUTVersionHands0,80x1,40Stem5416Stem (subs.)Stem (2 pce)Balance staff22901 INCABalance staff (subs.)Mainspring (subs.)1,0x9,5x0,10SpMainspring (subs.)82024360BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.200/1BLarge driving wheel + cannon pinion907002001280243/2= 1280Free cannon pignonH=180907002441280243/1= 1280Free cannon pignonH=153907002431280401Winding stem8025416410BWinding pignon424BIntermediate crown wheel907004241280443BSetting lever assembled907004431280445BSetting lever spring907004451280723Balance staff ST -shock-absorber80222901771Mainspring AUT sliding attachemnet8202436011431280Oscillating weight assembled9070114312801482Ratchet wheel driving wheel1520Klinkenrad025998