Latest V12 Clasp Machine Three-in-One OMI Omega Constellation Series Men's Mechanical Watch, 2023 brand new upgraded version now available. Exclusively customized with a corrected quality 8500 movement, specially designed for this model. 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 curved, highly durable scratch-resistant glass. The dial features clear and uniform patterns, ensuring a three-dimensional waterproof function. The dimensions are 41mm in diameter and 11mm in thickness. The strap is made from Italian imported calf leather with an original folding clasp.