This is a great Seiko 6105-8000 made in July 1970. watch was fully serviced about 2 years ago by a great Seiko expert WM, all movement parts original , so is the watch , works flawless. PROOF / RESIST dial original and untouched. serial: July 1970 model (1970 birth year) Movement: as mentioned, serviced about 2 years ago. Movement had a cleaning and servicing (no issues) Balance is fine. Case: The case has no major nicks or scratches. Bracelet: Fitted with an AM Oyster style bracelet, the most popular choices for these Style of Seiko watches ( My cost was ~95$ with shipping). Waterproof: Not tested. in any event I woudn't suggest diving with a vintage watch Ready to be worn.. Asking modest 1325$ OBRO. Many refs as a collector and seldom seller. Thanks for looking. -Photos of the actual watch