The Hamilton Jazzmaster Viewmatic Skeleton {WATCH_REF] utilizes a 40.00mm case to contain its self-winding, open-worked H-10-S caliber.
Movement Type
Automatic
Caliber
H-10-SJewels
25
Reserve
80
Frequency
21600
Hands
Center Seconds
Shape
Round
Lug Distance
20.00 mm
Material
Stainless Steel
Glass
Sapphire
Diameter
40.00 mm
Water Resistance
50.00 m
Dial Color
Skeleton
Material
Bracelet