LONGINES 340BrandLONGINESCaliber340Size12FunctionSC-AUTVersionHandsStem7818Stem (subs.)Stem (2 pce)Balance staff29817Balance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.180BBarrel with drum + cover95400180340199/1BBarell axleFederkernachse95400199340206BCenter wheel drilled340-206 +12695400206340211BDouble third wheel and pinion340-21195400211340220BSecond wheel -short pivot340-22095400220340245BCannon pignon sweep sec. H = 195H= 19595400245340255BHour wheel95400255340260Minute wheel275BSweep second pinion95400275340401Winding stem8027818411BWinding pinion with square hole340-41195400411340415Ratchet wheel421Crown wheel lower440Yoke spring443BSetting lever95400443340445Setting lever spring450BSetting wheel340-45095400450340705= 340Escape wheel -pinion straigt piv.340-70595400705340710Pallet fork -pinion 1 lower end-piec.721BBalnace cplt. -for shock-absorber95400721340723Balance staff ST -shock-absorber802298171143Oscillating weight1481BReduction wheel AUT340-1481954014813401482BRatchet wheel driving wheel340-1482954014823401496BOscillating weight axle954014963401497BBearing wheel340-14971499BReverser connecting wheel954014993401535BReversing wheel340-153595401535340