Side by side
Hemel HFC Mechanical ChronographvsMaystone Watch Co Prosperity GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
HFC Mechanical Chronograph40mm
Prosperity GMT38mm
Power Reserve
HFC Mechanical Chronograph40h
Prosperity GMT41h
Water Resistance
HFC Mechanical Chronograph100m
Prosperity GMT100m
MSRP
HFC Mechanical Chronograph$550
Prosperity GMT$443
Full specifications
Case
5 specsCategory
Chronograph
—
Diameter
40mm
38mm
Thickness
13.4mm
11.9mm
Lug-to-Lug
47mm
46mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Airfoil (1970s British Pilot)
Red
Lume
None
string
Movement
3 specsCaliber
Seagull ST19
Seiko NH34
Type
Manual
Automatic
Power Reserve
40h
41h
Pricing
1 specsMSRP
$550
—
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