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Reference

8420-7770

Uncataloged reference

Specifications

Type
N/A
Caliber
8420
Design Code
7770
Series
84
Collection
N/A
Depth Rating
N/A
Case Width
N/A
Thickness
N/A
Lug Width
N/A

Parts 6

Gears & Train4
Center Wheel201/1157
Center Wheel Bridge with Post0122815
Fourth Wheel with Second224/673
Hour Wheel - Height 0.80mm250/1640
Case & Crystal1
Stem - Tap401/968
General1
Set Lever443/1676
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