Limited to 23 units and launched in 2003, this Speedmaster Broad Arrow (ref. 3658.50.31) has a platinum case including bezel and crown, and a hand-skeletonized version of caliber 3303. Limited: 23 pieces.
Movement Type
Automatic Chronograph
Caliber
3321Jewels
33
Reserve
55
Frequency
28800
Hands
Small Seconds
Shape
Round
Lug Distance
20.00 mm
Material
Platinum
Glass
Sapphire
Diameter
42.00 mm
Water Resistance
100.00 m
Dial Color
Skeleton