OMEGA
329.30.44.51.01.003 Speedmaster
Scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
Steel
44.25 mm
21 mm
5 bar (50 metres / 167 feet)
14.9 mm
Black
60 hours
Self winding
OMEGA 9920
Anti-magnetic, chronograph, chronometer, date, master chronometer certified, small seconds, tachymeter, transparent caseback, time zone function
Steel
Foldover butterfly clasp with comfort setting