BRAND: SEIKO MADE IN: Japan MODEL: Seiko Sportsmatic Diashock 17 Jewel SERIAL #:4508941 MEASUREMENTS: CASE WIDTH: 36MM CASE WIDTH INC CROWN: 36 LUG TO LUG (VERTICAL): 41MM INSIDE LUG: 18 CONDITION NOTES: This watch is in very good condition for its age. Research places the production in the early 60's. The case shows some signs of light wear, but overall is very clean. The inner dial is showing some signs of damage, most noticeable at the 12:30 position, the hands are also showing some aging. The watch crystal is in good condition. The watch is fitted with an 20mm Black Leather band (lugs are 19mm, so 20mm fills them out nicely. This watch looks great and runs well (currently running at -3~5s/d). As with any vintage watch a full overhaul and cleaning should be done for daily wear.