Reference

8420-7730

Name: 8420-7730
Brand: Seiko
SKU: 8420-7730

Uncataloged reference

Specifications

Type

N/A

Caliber

Design Code

7730

Series

Collection

N/A

Depth Rating

N/A

Case Width

N/A

Thickness

N/A

Lug Width

N/A

8420-7630 8420-7639 8420-7640 8420-7649 8420-7650 8420-7660 8420-7690 8420-7700 8420-7710 8420-7720 8420-7740 8420-7750 8420-7760 8420-7770 8420-7780 8420-7800 8420-7810 8420-7820 8420-7830

Gears & Train4

Center Wheel	201/1157
Center Wheel Bridge with Post	0122815
Fourth Wheel with Second	224/673
Hour Wheel - Height 0.80mm	250/1640

Case & Crystal1

Stem - Tap

General1

Set Lever