HB-SIA Co-Axial GMT Chronograph
Omega Speedmaster HB-SIA Co-Axial GMT Chronograph is a 44.25 mm titanium case Numbered edition timepiece. It features a tachymeter bezel, black carbon fibre dial with anti-reflective treated and scratch-resistant sapphire crystal. Running on Omega 3603 movement, this self-winding chronometer has a Co-Axial Escapement, 24 hours GMT and a 52-hour power reserve. Available in titanium on titanium rubber strap, water resistance is up to 100 meters.