Side by side
Maystone Watch Co Prosperity GMTvsS.U.F Helsinki 180
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
18038.7mm
Power Reserve
Prosperity GMT41h
18042h
Water Resistance
Prosperity GMT100m
180100m
MSRP
Prosperity GMT$443
180$2,552
Full specifications
Case
4 specsDiameter
38mm
38.7mm
Thickness
11.9mm
8.9mm
Lug-to-Lug
46mm
46.4mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
2 specsDial Color
Red
Black
Lume
string
None
Movement
2 specsCaliber
Seiko NH34
Soprod A10
Power Reserve
41h
42h
Pricing
1 specsMSRP
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