【Price is not negotiable】 Polished and in excellent condition! New battery replaced (2025/02/12) Original band OMEGA SEAMASTER with Cal. 1538 specification. The 2511.31 model, popular for its silver wave pattern dial. The Seamaster series, which has been very popular since its release in 1957. Based on the reference number, it is estimated to be from 1998. A practical diver's model with 120m water resistance, featuring a beautiful streamlined design that evokes waves. A very popular series among watch enthusiasts. ◆Brand OMEGA Omega ◆Model SEAMASTER 120m ◆Model (Model number) Ref. 2511.31 ◆Serial No. 574XXXXX (The last 5 digits are blurred in the photo to protect the buyer's personal information. This item has an engraving.) ◆Details OMEGA, a long-established luxury Swiss watch brand. A watch brand that constantly produces innovative watches, such as Speedmaster, Aqua Terra, and De Ville. This is a rare vintage OMEGA quartz, the SEAMASTER 120m, which is no longer available. This model is the Ref. 2511.31 model, featuring a design with a beautiful silver wave design dial that evokes waves. The movement uses MADE IN SWISS Swiss-made 1538. A diver's model with 120m water resistance, yet designed to elegantly adorn the wrist. The stainless steel parts have been mirror-polished with light polishing, and the packing has been silicon-coated during battery replacement. The movement has also been demagnetized. Crown operation, date adjustment, and the screw-down lock of the crown are all problem-free. The luminous color is also beautiful. The belt is also an original stainless steel band with the Omega logo, in excellent condition! The movement is also clearly engraved, guaranteeing its authenticity. Unlike automatic watches, it is maintenance-free, so it can be used immediately upon arrival. ■ Country of origin Made in Switzerland (MADE IN SWISS) ■ Size Case diameter: 36mm (40mm including the crown) ■ Wrist size Approx. 16.5-17cm ■ Case material Stainless steel ■ Windshield material Domed reinforced anti-reflective sapphire crystal ■ Water resistance 120m water resistance (no warranty due to being a used item)