Omega Constellation Globemaster Co-Axial (188.8.131.52.03.001). Caliber Omega 8900 Master Chronometer automatic movement with central seconds hand, and 60 hours power reserve. Date window at 6 o`clock position. Blue 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. Blue leather strap with stainless steel folding buckle.