Seiko 6105-8110, April 1974, w/ rare three-slot crown
Seiko 6105-8110 w/ rare three-slot crown, fully serviced and ready to go, on Uncle Seiko waffle strap.
Seiko 6105B movement fully serviced and upgraded with mainspring arbor jewel
All case finishing / brushing is original
Case shows wear, insert especially
Lume is original Seiko, with some repairs to the lume made using original Seiko lume from the 1970s.
Crown is the rare three-slot variant only seen in this period around 1974
Crystal is genuine Seiko flat-top Type IV
Uncle Seiko waffle strap and NOS spring bars
Case entirely rebuilt with new seals
Crown rebuilt with a new seal