Side by side
Hamilton Jazzmaster Open Heart AutovsHemel Sky Racer Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Jazzmaster Open Heart Auto36mm
Sky Racer Mechanical43mm
Power Reserve
Jazzmaster Open Heart Auto80h
Sky Racer Mechanical40h
Water Resistance
Jazzmaster Open Heart Auto50m
Sky Racer Mechanical50m
MSRP
Jazzmaster Open Heart Auto$2,695
Sky Racer Mechanical$550
Full specifications
Case
5 specsDiameter
36mm
43mm
Thickness
10mm
14mm
Lug-to-Lug
46mm
49mm
Lug Width
18mm
20mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Mother of pearl
Black
Movement
3 specsCaliber
H-10
Seagull ST19
Type
Automatic
Manual
Power Reserve
80h
40h
Pricing
1 specsMSRP
$2,695
$550
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