Stainless steel case with a stainless steel bracelet. Tachymeter bezel. Black dial with luminous hands and index hour markers. Minute markers around the outer rim. Date display appears above the 6 o'clock position. Chronograph three: 12 hours, 30 minutes, 60 seconds sub-dials. Automatic chronometer movement. Scratch resistant sapphire crystal. Case diameter: 43 mm.Fold over clasp with double push button safety . Water resistant at 100 meters/ 330 feet. Functions: hours, minutes, seconds, calendar, chronograph, tachymeter. Omega Speedmaster Professional Chronograph Men's Watch 3188.8.131.52.01.002.
Durable sapphire crystal protects watch from scratches
Case diameter: 44 mm
Stainless steel case
Water-resistant to 330 feet (100 M)