Side by side
Maystone Watch Co Prosperity GMTvsGruppo Gamma Field III 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
Prosperity GMT38mm
Field III GMT40mm
Power Reserve
Prosperity GMT41h
Field III GMT41h
Water Resistance
Prosperity GMT100m
Field III GMT200m
MSRP
Prosperity GMT$443
Field III GMT$459
Full specifications
Case
6 specsCategory
—
GMT
Diameter
38mm
40mm
Thickness
11.9mm
14mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
100m
200m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Red
Black
Lume
string
Super-LumiNova
Movement
2 specsCaliber
Seiko NH34
Seiko Instruments NH38A
Complications
None
GMT
Pricing
1 specsMSRP
—
$459
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