Side by side
Hamilton Jazzmaster Maestro Auto ChronovsHemel HD24 Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Jazzmaster Maestro Auto Chrono41mm
HD24 Automatic40mm
Power Reserve
Jazzmaster Maestro Auto Chrono60h
HD24 Automatic40h
Water Resistance
Jazzmaster Maestro Auto Chrono100m
HD24 Automatic200m
MSRP
Jazzmaster Maestro Auto Chrono$2,275
HD24 Automatic$300
Full specifications
Case
7 specsCategory
Chronograph
Diver
Diameter
41mm
40mm
Thickness
15.1mm
13mm
Lug-to-Lug
46mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Silver
Gallant USAF Edition
Movement
2 specsCaliber
H-21
Seiko NH38A
Power Reserve
60h
40h
Pricing
1 specsMSRP
$2,275
$300
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