Side by side
Brillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black FacevsMaystone Watch Co Prosperity GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
7 of 29 specs differDiameter
GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face38mm
Prosperity GMT38mm
Power Reserve
GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face40h
Prosperity GMT41h
Water Resistance
GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face100m
Prosperity GMT100m
MSRP
GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black Face$795
Prosperity GMT$443
Full specifications
Case
2 specsThickness
12mm
11.9mm
Lug-to-Lug
46mm
46mm
Crystal & Dial
2 specsDial Color
Black
Red
Lume
None
string
Movement
2 specsCaliber
—
Seiko NH34
Power Reserve
40h
41h
Pricing
1 specsMSRP
$795
—
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