Side by side
Maystone Watch Co Prosperity GMTvsSangin Instruments Professional
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
13 of 29 specs differDiameter
Prosperity GMT38mm
Professional43.5mm
Power Reserve
Prosperity GMT41h
Professional—
Water Resistance
Prosperity GMT100m
Professional300m
MSRP
Prosperity GMT$443
Professional$679
Full specifications
Case
6 specsDiameter
38mm
43.5mm
Thickness
11.9mm
0mm
Lug-to-Lug
46mm
0mm
Lug Width
20mm
0mm
Material
Stainless Steel
—
Water Resistance
100m
300m
Crystal & Dial
3 specsCrystal
Sapphire
—
Dial Color
Red
Midnight Black
Lume
string
None
Movement
3 specsCaliber
Seiko NH34
Quartz (Ronda GMT)
Type
Automatic
Quartz
Power Reserve
41h
0h
Pricing
1 specsMSRP
$443
$679
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