A modern take on the 1957 Speedmaster, the Broad Arrow '1957' features an engraved tachymeter bezel and 'Broad Arrow' hands. It has a 42mm case with caliber 3313, and reference 321.53.42.50.02.001 comes with a yellow gold case.
Movement Type
Automatic Chronograph
Caliber
3313Jewels
36
Reserve
52
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
20.00 mm
Material
Yellow Gold
Glass
Sapphire
Diameter
42.00 mm
Water Resistance
100.00 m
Dial Color
Silver