Omega Speedmaster Moonwatch Professional Chronograph (3188.8.131.52.01.002)
Omega Speedmaster Moonwatch Professional Chronograph (3184.108.40.206.01.002). Caliber 1863 with 48 hours power reserve. Chronograph movement with central chronograph hand. Small 30 minute counter at 3 o`clock, small 12 hour counter at 6 o`clock and small seconds counter at 9 o`clock position. Black dial with index hour markers. Black bezel stamped with Tachymeter scale set on a 42mm stainless steel case. Sapphire crystal on top and an exhibition case-back. Water resistant to 50M. Black leather strap and steel tang-type buckle.