Seiko 5605

The Seiko 5605 movement has been introduced in 1968 as the automatic mid range movement. It was an automatic calibre beating at 21,600 bph, with 23 or 25 jewels, displaying the date only.
It was used in the Seiko Lord Matic (LM) range until ca 1975. It was used for export models too, not belonging to any particular range.

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