Original and Genuine SEIKO® supplied/branded 3v CR1220 Battery (Seiko SB-T13 part) NOTE: These are supplied by Seiko UK to us and contain a MAXELL battery, as Seiko choose to use these instead of making them in their factories. This is an official replacement battery, which would be the same if Seiko repaired or changed the battery as part of a service. Official Replacement for the following calibre/movements: W2-205 W2-206 1 Piece Supplied as pictured Child Resistant Packaging Long Expiry Always check this is the size needed, by comparing with old battery.
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