Side by side
Hamilton Jazzmaster Auto ChronovsHelgray Speedster (Racing Light Blue)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Jazzmaster Auto Chrono42mm
Speedster (Racing Light Blue)39mm
Power Reserve
Jazzmaster Auto Chrono60h
Speedster (Racing Light Blue)—
Water Resistance
Jazzmaster Auto Chrono100m
Speedster (Racing Light Blue)30m
MSRP
Jazzmaster Auto Chrono$2,095
Speedster (Racing Light Blue)$299
Full specifications
Case
5 specsDiameter
42mm
39mm
Thickness
15.23mm
0mm
Lug-to-Lug
0mm
46mm
Lug Width
22mm
20mm
Water Resistance
100m
30m
Crystal & Dial
1 specsDial Color
Black
—
Movement
3 specsCaliber
H-21
Miyota 6S21
Type
Automatic
—
Power Reserve
60h
0h
Pricing
1 specsMSRP
$2,095
$299
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