Side by side
Maystone Watch Co Prosperity GMTvsUgly Watch Co Adamas Aster
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Prosperity GMT38mm
Adamas Aster42mm
Power Reserve
Prosperity GMT41h
Adamas Aster40h
Water Resistance
Prosperity GMT100m
Adamas Aster100m
MSRP
Prosperity GMT$443
Adamas Aster$1,160
Full specifications
Case
3 specsDiameter
38mm
42mm
Thickness
11.9mm
12mm
Lug-to-Lug
46mm
46mm
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Red
Black Mother of Pearl
Lume
string
None
Movement
2 specsCaliber
Seiko NH34
Miyota 9015
Power Reserve
41h
40h
Pricing
1 specsMSRP
—
$1,160
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