WATCH PARTS SWEDEN AB. VAT: SE559196569301
Helvetia 52 (16'''), Balance staff, DCN: 375
Helvetia 64 (13'''), Winding stem, DCN: 2992
Helvetia 830 (11.25'''), Winding stem, DCN: 2335
Helvetia 830, Click spring, no 430
Helvetia 830-845