Omega DeVille Annual Calendar Steel Mens Watch 431.13.41.22.01.001 Box Card. Automatic self-winding Co-Axial calibre 8500 movement. Stainless steel round case 41.0 mm in diameter. Exhibition transparent sapphire crystal case back. Stainless steel smooth bezel. Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides. Black dial with roman numerals. Day and Date calendar double window at 3. Black leather strap with stainless steel deployant buckle. Please note that returns are not accepted for this item.