Debuting at BaselWorld 2017, this Speedmaster Racing Master Co-Axial uses the self-winding caliber 9901 in place of the usual 9900, within a 44.25mm case. Reference 329.53.44.51.03.001 features a blue dial, Sedna gold case, and alligator strap.
Movement Type
Automatic Chronograph
Caliber
9901Jewels
54
Reserve
60
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
21.00 mm
Material
Sedna Gold
Glass
Sapphire
Diameter
44.25 mm
Water Resistance
100.00 m
Dial Color
Blue
Material
Blue
Buckle
Alligator
