This timepiece is the OMEGA Seamaster 60 "Big Crown" vintage diver's watch, classic model Ref. 166.062. This classic watch was launched in 1969, with movement serial number 31430974, and was a highly representative mid-size sports diver's watch at the time. Dial: A deep blue dial with a distinctive racing car motif (or racetrack lines) segmented outer bezel extending from the center to the outer edge, featuring a date window at 3 o'clock. The bezel is a bidirectional rotating two-tone diver's bezel. Movement: Powered by OMEGA's classic and acclaimed Cal. 565 automatic movement, featuring a unique "pull-out quick-set date" function (the date can be adjusted by fully pulling out the crown). Crown: Classic Big Crown: Featuring a large screw-down waterproof crown (Big Crown) with a diameter of approximately 6 mm, this is the most recognizable design feature of this model. 【Brand】 Omega 【Model】 Seamaster 60 【Model Number】 166.062 【Movement】 Original 565 automatic movement 【Crown】 Original crown (lock crown) 【Case Diameter】 37mm (excluding crown) 【Dial】 Original dial 【Strap】 Aftermarket steel bracelet/aftermarket buckle (non-original), can fit up to 20 loops 【Condition】 Timekeeping/All functions are normal 【Year】 1969 【Functions】 Manual + Automatic. Quick-set date. Diving chronograph Shipping: Shipping Method: Postal delivery, EMS. Estimated arrival time: 5-20 days after shipment. Arrival time may be delayed due to postal service or customs procedures. Tracking number provided. Customs and Taxes: Depending on the import regulations of your country, additional customs duties or taxes may apply. These costs are borne by the buyer. We recommend that you familiarize yourself with local customs policies before purchasing. After-sales Service: We are a pre-owned watch and antique dealer from Taiwan with over 20 years of experience. We are dedicated to providing you with unique vintage timepieces. Upon receiving the watch, please carefully inspect it to ensure all functions are in good working order. If you encounter any problems, please feel free to contact our after-sales support team. We are committed to resolving issues quickly and professionally.