Side by side

Maystone Watch Co Prosperity GMTvsGrand Seiko SBGR321

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
SBGR321
Grand SeikoSBGR321
MSRP $5,200
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Buy from Grand Seiko ↗
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At a glance

10 of 29 specs differ
Diameter
Prosperity GMT38mm
SBGR32140mm
Power Reserve
Prosperity GMT41h
SBGR32172h
Water Resistance
Prosperity GMT100m
SBGR321100m
MSRP
Prosperity GMT$443
SBGR321$5,200

Full specifications

Case

4 specs
Category
—
Dress
Diameter
38mm
40mm
Thickness
11.9mm
13mm
Lug-to-Lug
46mm
46.6mm

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Red
Black
Lume
string
None

Movement

2 specs
Caliber
Seiko NH34
9S65
Power Reserve
41h
72h

Pricing

1 specs
MSRP
—
$5,200
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All alternatives to the Prosperity GMT →All alternatives to the SBGR321 →
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Grand Seiko SBGR321vsSerket Watch Co Blackpool GMTGrand Seiko SBGR321vsUgly Watch Co 100m GMT Sport DiverManufaktur Waldhoff Atlas GMTvsGrand Seiko SBGR321Beaufort FiordlandvsGrand Seiko SBGR321Maystone Watch Co Prosperity GMTvsanOrdain Model 2 PorcelainanOrdain FabrikvsMaystone Watch Co Prosperity GMT
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