Presented at BaselWorld 2017, this 44.25mm Speedmaster Racing Master Co-Axial is driven by the self-winding caliber 9900. Reference 329.33.44.51.01.001 pairs a black dial and stainless steel case with 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
Black
Material
Alligator
