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| Item Number | 212-30-44-52-01-001 |
| Movement | Mechanical Automatic |
| Case: Material | Stainless Steel (ceramic bezel) |
| Belt: Material | Stainless Steel |
| Glass | Domed reinforced anti-reflective sapphire glass (double-sided anti-reflective coating) |
| Dial color | black |
| Belt color | Silver |
| Size (length x width x thickness) | 52×44×17.5 |
| Belt width | 21（0.8inch） |
| Wrist size | 20（7.9inch） |
| weight | 244 |
| specification | 30 atmospheric pressure waterproof Power reserve: around52 hours GMT and world timer Chronograph Chronometer Small seconds Time zone function Helium escape valve Date display Bezel to prevent reverse rotation |
| accessories | Instruction manual, guarantee, OMEGA original box |
Omega is a luxury watch brand founded in Switzerland in 1848 by Louis Blanc. We adopted the word ``Omega'' (meaning achievement and perfection) from the pocket watch movement introduced in 1894 as our official company name. The Seamaster collection embodies Omega's diving watch heritage and adventurous pioneering spirit. It features a matte black dial with a 30-minute counter, a 12-hour counter, and a small seconds dial. The dial is equipped with a red 24-hour scale to match the red GMT hand. This scale can be used when measuring elapsed time in a second time zone. It is also equipped with a Co-Axial function that reduces the frequency of overhauls and boasts high accuracy by minimizing wear on parts and increasing durability.