Side by side
Maystone Watch Co Prosperity GMTvsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Prosperity GMT38mm
Prospex Sea43.8mm
Power Reserve
Prosperity GMT41h
Prospex Sea41h
Water Resistance
Prosperity GMT100m
Prospex Sea200m
MSRP
Prosperity GMT$443
Prospex Sea$625
Full specifications
Case
6 specsCategory
—
Diver
Diameter
38mm
43.8mm
Thickness
11.9mm
12.8mm
Lug-to-Lug
46mm
48.7mm
Lug Width
20mm
22mm
Water Resistance
100m
200m
Crystal & Dial
3 specsAR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Red
Black
Lume
string
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Seiko NH34
4R35
Power Reserve
41h
41h
Jewels
25
23
Pricing
1 specsMSRP
—
$625
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