Side by side

Maystone Watch Co Prosperity GMTvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Prosperity GMT
Maystone Watch CoProsperity GMT
MSRP $443
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
SeikoProspex Sea 1970 Heritage Diver's Black Series Limited Edition
MSRP $3,300
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At a glance

13 of 29 specs differ
Diameter
Prosperity GMT38mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Prosperity GMT41h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Prosperity GMT100m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Prosperity GMT$443
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

5 specs
Category
—
Diver
Diameter
38mm
44mm
Thickness
11.9mm
13mm
Lug-to-Lug
46mm
49.3mm
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Red
Black
Lume
string
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH34
8L35
Power Reserve
41h
50h
Jewels
25
26

Pricing

1 specs
MSRP
—
$3,300
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