ISA 257

Brand ISA Caliber 257 Size 5 1/2 Function o. SC Version Hands 0.55x1.00 Stem ISA258 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery 321

Movements

Artno.brandcaliberSizehandsfunctionspecial
161980ISA257.1305 1/20.55x​1.00o. SC

Watchparts

Part NocaliberdescriptionoriginalArtno.
401BWinding stem94300401258
443BSetting lever94300443257
4000BElectronic module94304000257
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