Side by side
Hemel HD24 AutomaticvsLongines HYDROCONQUEST GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
HD24 Automatic40mm
HYDROCONQUEST GMT41mm
Power Reserve
HD24 Automatic40h
HYDROCONQUEST GMT40h
Water Resistance
HD24 Automatic200m
HYDROCONQUEST GMT300m
MSRP
HD24 Automatic$300
HYDROCONQUEST GMT$3,350
Full specifications
Case
6 specsDiameter
40mm
41mm
Thickness
13mm
12.9mm
Lug-to-Lug
48mm
49.4mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
300m
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Gallant USAF Edition
Green
Movement
1 specsCaliber
Seiko NH38A
L844.5
Pricing
1 specsMSRP
$300
$3,350
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