OMEGA
329.30.44.51.01.003 Speedmaster
round
Scratch-resistant sapphire crystal with anti-reflective treatment
Scratch-resistant sapphire crystal with anti-reflective treatment
steel
steel
44.25 mm
21 mm
5 bar (50 metres / 167 feet)
14.9 mm
black
60 hours
Self-winding chronograph with column wheel and CoAxial escapement.
OMEGA 9920
Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Spirate™ System for fine rate adjustment, 2 barrels mounted in series, time zone function. Central hour, minute and chronograph seconds hands, small seconds hand, 12-hour and 60-minute recorders. Rhodium plated finish with Geneva waves in arabesque.
Anti-magnetic, chronograph, chronometer, date, master chronometer certified, small seconds, tachymeter, transparent case back, time zone function
steel
steel
Foldover butterfly clasp with comfort setting