Omega Constellation Globemaster Co-Axial (184.108.40.206.02.001). Caliber Omega 8900 Master Chronometer automatic movement with central seconds hand. Date window at 6 o`clock position. Silver dial with index hour markers. Hard metal fluted bezel set on a 39mm stainless steel case. Sapphire crystal on top and exhibition case back. Water resistant to 100M. Stainless steel bracelet.