Side by side
Jack Mason Ellum Manual WindvsMaystone Watch Co Prosperity GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Ellum Manual Wind38mm
Prosperity GMT38mm
Power Reserve
Ellum Manual Wind42h
Prosperity GMT41h
Water Resistance
Ellum Manual Wind50m
Prosperity GMT100m
MSRP
Ellum Manual Wind$799
Prosperity GMT$443
Full specifications
Case
3 specsThickness
9mm
11.9mm
Lug-to-Lug
45mm
46mm
Water Resistance
50m
100m
Crystal & Dial
2 specsDial Color
—
Red
Lume
None
string
Movement
3 specsCaliber
Sellita SW210
Seiko NH34
Type
Manual
Automatic
Power Reserve
42h
41h
Pricing
1 specsMSRP
$799
—
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