This watch is the Omega Seamaster Cosmic 2000 Vintage Automatic, made in Switzerland in 1973 (Ref. 166.128). It is a representative work of Omega's innovation and sporty style in the 1970s. It is equipped with Omega's famous Cal. 1012 automatic movement. The bridges have a classic copper-colored plating and feature a convenient quick-set date function. It boasts the then-patented "double case structure" known as BREVET 508925. The movement is first installed in the inner case and then pressed into the outer case through a large waterproof gasket, a very unique design. Original steel bracelet: It comes with a very classic 1171 stainless steel bracelet from Omega collectors, along with exclusive 677 lugs, offering a lightweight and comfortable fit. ~~Service performed in July 2025~~ 【Brand Series】 Omega / Seamaster Cosmic 2000 【Official Model Number】 166.128 【Year of Production】 Circa 1973 (Movement serial number 36,xxx,xxx) 【Movement】 Original Cal.1012 automatic movement (with stop-seconds and automatic/manual winding) 【Material】 Stainless steel case, original Ω-marked crown 【Dial Size】 38mm (excluding crown) "Jumbo" model 【Strap】 Original strap, original buckle, maximum wear size 18.5mm 【Condition】 Timekeeping and quick-set function are fully functional, serviced in July 2025. Shipping: Delivery 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: Additional customs duties or taxes may apply depending on the import regulations of your country. These costs are borne by the buyer. It is recommended to check local customs policies before purchasing. After-sales Support: We are a pre-owned watch and antique dealer from Taiwan with over 20 years of experience. We aim to provide you with unique vintage watches. Upon receiving the watch, please carefully inspect it to ensure everything is working properly. If you encounter any problems, please feel free to contact our after-sales support team. We are committed to resolving issues quickly and professionally.