Side by side
Bremont Altitude 39 DatevsMaystone Watch Co Prosperity GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Altitude 39 Date39mm
Prosperity GMT38mm
Power Reserve
Altitude 39 Date40h
Prosperity GMT41h
Water Resistance
Altitude 39 Date100m
Prosperity GMT100m
MSRP
Altitude 39 Date$4,250
Prosperity GMT$443
Full specifications
Case
5 specsCategory
Pilot
—
Diameter
39mm
38mm
Thickness
11.19mm
11.9mm
Lug-to-Lug
—
46mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Crystal & Dial
2 specsDial Color
Silver
Red
Lume
None
string
Movement
2 specsCaliber
BE-92AE
Seiko NH34
Power Reserve
40h
41h
Pricing
1 specsMSRP
$4,250
—
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