vintage Seiko

Buying Guides

King Seiko Reference Numbers: Vintage Japanese Listing Guide (2026)

Decode vintage King Seiko reference numbers by generation (1961-1975): 44KS, 45KS, 56KS, 52KS, factory, caliber, and how to verify a Japanese listing.
2026.10.09
Buying Guides
Buying from Japan

Vintage Seiko from Japan: How to Date It and Spot Redials (2026)

Vintage Seiko from Japan: date it by serial and caliber, and spot the redials and franken watches common in Japanese listings before you pay.
2026.09.04
Buying from Japan