Guides

Seiko references

Look up a Seiko by the reference on its caseback, for example 6309-8230 or 7S26-0020. Can't find yours? Try the Seiko Identifier.

Calibre 5606 · Lord Matic (LM)

Calibre 6106 · Seiko 5 / Sportsmatic / Actus

Calibre 6309 · Seiko 5 (export), also used in the 6309-7040 "Turtle" diver

Calibre 6319 · Seiko 5 (21-jewel sister of the 6309)

Calibre 6349 · Seiko 5 dress / square cases

Calibre 6R15 · Presage / Prospex / Alpinist

Calibre 7009 · Seiko 5 (export)

Calibre 7019 · Actus / Seiko 5 (21 jewels)

Calibre 7S26 · Seiko 5 (SNK, SNKL…) and SKX divers

Calibre 7S36 · Seiko 5 (23 jewels)