Omega Speedmaster Racing Co-Axial Chronograph 40 mm (3188.8.131.52.01.001)
Omega Speedmaster Racing Co-Axial Chronograph 40 mm (3184.108.40.206.01.001). Caliber 3330 Co-Axial Chronometer movement with 50 hours power reserve. Chronograph functions. Luminescent hands and index hour markers. Central chronograph seconds hand. Black dial with 3 textured subdials with a "Clous de Paris" pattern, and a date window at the 6 o`clock position. Fixed tachymeter bezel set on a 40mm stainless steel case. Domed scratch resistant crystal on top - dual sided anti-reflective treatment - and a solid case-back. Water resistant to 100M. Stainless steel bracelet with a dual folding deployment clasp.