Side by side

Maystone Watch Co Prosperity GMTvsSugess Ocean Star S421

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

Prosperity GMT
Maystone Watch CoProsperity GMT
MSRP $443
Ocean Star S421
SugessOcean Star S421
MSRP $449

At a glance

12 of 29 specs differ
Diameter
Prosperity GMT38mm
Ocean Star S42140mm
Power Reserve
Prosperity GMT41h
Ocean Star S42140h
Water Resistance
Prosperity GMT100m
Ocean Star S421300m
MSRP
Prosperity GMT$443
Ocean Star S421$449

Full specifications

Case

5 specs
Category
Diver
Diameter
38mm
40mm
Thickness
11.9mm
12.7mm
Lug-to-Lug
46mm
46mm
Water Resistance
100m
300m

Crystal & Dial

2 specs
Dial Color
Red
SU116610LB Black
Lume
string
None

Movement

4 specs
Caliber
Seiko NH34
Seagull ST2130/Seiko NH35
Beat Rate
28,800 vph
4 vph
Power Reserve
41h
40h
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$449
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