At BaselWorld 2017, Omega introduced this Racing Master Co-Axial with a 44.25mm steel case and caliber 9900. The ref. 329.33.44.51.04.001 offers a white dial and an alligator strap.
Movement Type
Automatic Chronograph
Caliber
9900Jewels
54
Reserve
60
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
21.00 mm
Material
Stainless Steel
Glass
Sapphire
Thickness
14.92 mm
Diameter
44.25 mm
Water Resistance
50.00 m
Dial Color
White
Material
Alligator