Seiko, waterproof, 17 jewels, calibre 6602B, lid 821830 Japan A, 6602-8050. Case diameter: 35 mm, excluding crown. Wonderful dress watch by Seiko, beautifully maintained, with normal signs of wear on the case. The movement runs well, tested for a week. Date setting falters, has to be able to be reset during a servicing. The maintenance history is unknown, a servicing is recommended. New leather strap of 19 cm, lug width 18 mm. Please view the photos for an impression. Comes without accessories. Insured shipping with Track & Trace. Good luck bidding.