V12 Latest Upgrade: 8500 Co-Axial Movement, Three-in-One, Best-Selling Classic Model. The Omega Seamaster 150M Series Men's Mechanical Watch, 2020 All-New Upgraded Version Now Available. Customized 8500 Movement Plates with Unique Design to Enhance Quality. The movement replicates the 8500 Co-Axial movement, with a transparent case back showcasing the intricate details perfectly.The case is made of 316L stainless steel, crafted with exclusive CNC technology, paired with a domed, highly durable scratch-resistant glass. The dial features clear and uniform patterning, and the watch is water-resistant up to three atmospheres, with a diameter of 41/11mm. The strap is made of imported Italian rubber, available with either an original folding clasp or a 316 stainless steel buckle.Exclusive quality code: 83145368. Produced by TT Factory.