Side by side
Maystone Watch Co Prosperity GMTvsGrand Seiko SBGA427
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Prosperity GMT38mm
SBGA42739mm
Power Reserve
Prosperity GMT41h
SBGA42772h
Water Resistance
Prosperity GMT100m
SBGA427100m
MSRP
Prosperity GMT$443
SBGA427$5,800
Full specifications
Case
5 specsCategory
—
Dress
Diameter
38mm
39mm
Thickness
11.9mm
12.3mm
Lug-to-Lug
46mm
46.8mm
Lug Width
20mm
19mm
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Red
Black
Lume
string
None
Movement
3 specsCaliber
Seiko NH34
9R65
Type
Automatic
Spring Drive
Power Reserve
41h
72h
Pricing
1 specsMSRP
—
$5,800
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Maystone Watch Co Prosperity GMT vs Grand Seiko SBGA427 gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Grand Seiko SBGA427vsSerket Watch Co Blackpool GMTGrand Seiko SBGA427vsUgly Watch Co 100m GMT Sport DiverManufaktur Waldhoff Atlas GMTvsGrand Seiko SBGA427Beaufort FiordlandvsGrand Seiko SBGA427Maystone Watch Co Prosperity GMTvsCincinnati Watch Company The Cincinnatian - Sold Out. Discontinued. LegacyMaystone Watch Co Prosperity GMTvsYema Wristmaster Slim Small Seconds CMM.29