IWC 851-445, Setting Lever Spring

• IWC original part in very good used condition.

• Fits cal: 851, 852, 853

Versions: 12.75''' (1951 - 1963).

• 85: 18.000 A/h, H=5.45 mm.
• 851: 18.000 A/h, H=5.45 mm.
• 852: 19.800 A/h, H=5.60 mm.
• 8521: 19.800 A/h, date, H=6.40 mm.
• 853: 19.800 A/h, H=5.60 mm.
• 8531: 19.800 A/h, date, H=6.40 mm.

Versions: 12,5''' (1963 - 1974).

• 854: 19.800 A/h, H=4,85 mm.
• 8541: 19.800 A/h, date, stop mechanism, H=5.90 mm.
• 854B: 19.800 A/h, stop mechanism, H=4.85 mm.
• 8541B: 19.800 A/h, date, stop mechanism, H=5,90 mm.

About our used parts!

All our used parts are cleaned and thoroughly checkedby a watchmaker, often they comes from a working movement. Minor imperfections may occur, but nothing that affects the function.