V12 Latest Upgrade: 8500 Co-Axial Movement, Three-in-One, Bestselling Classic Model. The Omega Seamaster 150m Series Men's Mechanical Watch, brand new upgraded version for 2020, has arrived. It features a specially designed movement plate for the exclusive customized 8500 movement, perfectly replicating the 8500 co-axial movement. The transparent case back showcases the movement in its entirety, presenting it flawlessly.The case is made of 316L stainless steel, crafted using exclusive CNC technology, paired with a curved, ultra-durable, scratch-resistant glass. The dial surface has clear and evenly spaced patterns, with a water resistance rating of up to three atmospheres. The watch diameter is 41mm with a thickness of 11mm. The strap is made of imported Italian rubber, available with either the original folding clasp or a 316 stainless steel original buckle.Exclusive quality code: 83145368.