FELSA 4031

BrandFELSACaliber4031Size11 1/2FunctionVersionHands0,90x1,50Stem6019Stem (subs.)Stem (2 pce)Balance staff28505Balance staff (subs.)28909Mainspring (subs.)1,40x10,5x0,11Mainspring (subs.)Battery

Watchparts

Part NocaliberdescriptionoriginalArtno.
401Winding stem8026019
705= 4000Escape wheel -pinion straigt piv.920007054000
723Balance staff, pivoted80228909
723Balance staff ST -shock-absorber80228505
1481= 4000Reduction wheel AUT920014814000
1496= 4000,4000NOscillating weight axle920014964001
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