Side by side
Baltic Hermétique SummervsMaystone Watch Co Prosperity GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Hermétique Summer37mm
Prosperity GMT38mm
Power Reserve
Hermétique Summer42h
Prosperity GMT41h
Water Resistance
Hermétique Summer150m
Prosperity GMT100m
MSRP
Hermétique Summer$594
Prosperity GMT$443
Full specifications
Case
5 specsCategory
Dress
—
Diameter
37mm
38mm
Thickness
10.8mm
11.9mm
Lug-to-Lug
46mm
46mm
Water Resistance
150m
100m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Orange
Red
Lume
BGW9
string
Movement
2 specsCaliber
Miyota 9039
Seiko NH34
Power Reserve
42h
41h
Pricing
1 specsMSRP
$594
—
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