Side by side
Hemel HFC Mechanical ChronographvsSpinnaker Dumas GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
HFC Mechanical Chronograph40mm
Dumas GMT44mm
Power Reserve
HFC Mechanical Chronograph40h
Dumas GMT40h
Water Resistance
HFC Mechanical Chronograph100m
Dumas GMT300m
MSRP
HFC Mechanical Chronograph$550
Dumas GMT$399
Full specifications
Case
6 specsCategory
Chronograph
GMT
Diameter
40mm
44mm
Thickness
13.4mm
15mm
Lug-to-Lug
47mm
48mm
Lug Width
20mm
22mm
Water Resistance
100m
300m
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Airfoil (1970s British Pilot)
Blue
Movement
2 specsCaliber
Seagull ST19
Seiko NH34A
Type
Manual
Automatic
Pricing
1 specsMSRP
$550
$399
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