Side by side
Maystone Watch Co Prosperity GMTvsGrand Seiko SBGM245
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Prosperity GMT38mm
SBGM24540.5mm
Power Reserve
Prosperity GMT41h
SBGM24572h
Water Resistance
Prosperity GMT100m
SBGM245200m
MSRP
Prosperity GMT$443
SBGM245$6,100
Full specifications
Case
5 specsCategory
—
GMT
Diameter
38mm
40.5mm
Thickness
11.9mm
14.4mm
Lug-to-Lug
46mm
48.6mm
Water Resistance
100m
200m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Red
Black
Lume
string
None
Movement
2 specsCaliber
Seiko NH34
9S66
Power Reserve
41h
72h
Pricing
1 specsMSRP
—
$6,100
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