Vintage and rare SEIKO "Sea Lion M55 Diashock " Men's Vintage Automatic Dress Watch from the 1960s. The watch works with very rare Seiko, Japan, 26 Jewels 6206B movement from 1966. → Sophisticated excenter self-winding mechanism with just one gear stage. →Case is 35.5mm (excluding crown). The lug width is 18mm. →The watch comes with a new black nato strap in photos fits up to approx. 19.5cm wrist-size. →Condition notes: Very good for its age. The case and back have minor signs of wear. Cleaned glass. The dial has only tiny acceptable marks, generally looks clean. The watch will be shipped via UPS or DHL to worldwide with a tracking code. Delivery time is only a few days* for Europe and approx. 5-7 days* for other countries. Buyer is responsible for import VAT and taxes if necessary. *Estimated business days → The deviation on the test machine shows +/- "0" seconds per 24 hours → Photos are part of the description. Please look at them carefully.