Omega Speedmaster Mark II Co-Axial Chronograph Men's Watch 327.20.43.50.01.001 - Stainless Steel Automatic Watch with Tachymeter for Racing, Diving & Professional Use

Omega Speedmaster Mark II Co-Axial Chronograph (327.20.43.50.01.001). Caliber 3330 automatic movement with Co-Axial escapement and 52 hours power reserve. Central seconds hands. Central chronograph hand. Small 30-minute counter at 3 o’clock position, date window and 12-hour counter at 6 o’clock position, 60-seconds counter at 9 o’clock position. Gray dial with index hour markers. Black bezel stamped with a Tachymeter scale and set on a 42.4mm x 46.2mm Steel and 18kt Sedna Gold case. Sapphire crystal on top and solid case back. Water resistant to 100m. Steel and 18kt Sedna Gold bracelet.