Vintage Seiko serial number quirk | Wrist Sushi - A Japanese Watch Forum
![6309-589A] Looking for more info on my dad's Seiko. Serial# from 1983, bought in 1985. Can't find it in the Japanese catalogues from 83-85, or anywhere online. Smart looking watch, any ideas](https://i.redd.it/6309-589a-looking-for-more-info-on-my-dads-seiko-serial-v0-eihecz9rdmia1.jpg?width=3024&format=pjpg&auto=webp&s=325a0f0bdc4339129e9ef451c61d789a6d4c3fb2 "6309-589A] Looking for more info on my dad's Seiko. Serial# from 1983, bought in 1985. Can't find it in the Japanese catalogues from 83-85, or anywhere online. Smart looking watch, any ideas")
6309-589A] Looking for more info on my dad's Seiko. Serial# from 1983, bought in 1985. Can't find it in the Japanese catalogues from 83-85, or anywhere online. Smart looking watch, any ideas
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![6309-589A] Looking for more info on my dad's Seiko. Serial# from 1983, bought in 1985. Can't find it in the Japanese catalogues from 83-85, or anywhere online. Smart looking watch, any ideas](https://i.redd.it/6309-589a-looking-for-more-info-on-my-dads-seiko-serial-v0-q045vp6rdmia1.jpg?width=3024&format=pjpg&auto=webp&s=9c79aa59f68360e304accef98e86aa500e38809f "6309-589A] Looking for more info on my dad's Seiko. Serial# from 1983, bought in 1985. Can't find it in the Japanese catalogues from 83-85, or anywhere online. Smart looking watch, any ideas")
6309-589A] Looking for more info on my dad's Seiko. Serial# from 1983, bought in 1985. Can't find it in the Japanese catalogues from 83-85, or anywhere online. Smart looking watch, any ideas
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![6309-589A] Looking for more info on my dad's Seiko. Serial# from 1983, bought in 1985. Can't find it in the Japanese catalogues from 83-85, or anywhere online. Smart looking watch, any ideas](https://i.redd.it/6309-589a-looking-for-more-info-on-my-dads-seiko-serial-v0-0kpln92rdmia1.jpg?width=3024&format=pjpg&auto=webp&s=d13955a4d740e1ef9a957e8de420423fc41211e2 "6309-589A] Looking for more info on my dad's Seiko. Serial# from 1983, bought in 1985. Can't find it in the Japanese catalogues from 83-85, or anywhere online. Smart looking watch, any ideas")