Winding stems    Balance staffs    Mainsprings

ETA mainspring 915 884 883 881 809 808 807 806 805 804 803 802 790 / Eterna 860

17.9 EUR 1 mainspring / Ressort de barillet / Zugfeder (1 piece) New old stock / neuf de stock Same mainspring for following calibers : ETA 915 884 883 881 809 808 807 806 805 804 803 802 790 and Eterna 860...

Eterna mainspring 13 L chronograph

15.9 EUR Eterna 13 L Chronograph mainspring / Ressort de barillet / Zugfeder / Aufzugfeder New old stock / neuf de stock

Eterna mainspring 131 132

11.9 EUR 1 Mainspring 170 CC 43 for following calibers : Eterna 132 133 The price is for 1 piece Ressort de barillet / Zugfeder / Aufzugfeder New old stock / neuf de stock

Eterna mainspring 600 600S

8.9 EUR Ressort de barillet / Zugfeder / Aufzugfeder New old stock / neuf de stock Inox premium quality Mainspring for following calibers : Eterna 600 and 600S

Bulova mainspring 10BA 10BAC 10BE 10BX 11ZE / Eterna 1020 1078 1079

8.9 EUR 1 Mainspring / ressort de barillet (1 piece) Neuf de stock / New old stock Inox premium quality Same mainspring for all following calibers : Bulova 10BA 10BAC 10BE 10BX 11ZE Eterna 1020 1078 and...

Eterna mainspring 1116 1117 1136 1137

6.9 EUR 1 Mainspring for calibers Eterna 1116 1117 1136 1137 The price is for 1 piece Ressort de barillet / Zugfeder / Aufzugfeder New old stock / neuf de stock