Side by side
Alexander James Watches A4 Prelude 37 GMT Light BluevsJack Mason Ellum Manual Wind
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
A4 Prelude 37 GMT Light Blue37.4mm
Ellum Manual Wind38mm
Power Reserve
A4 Prelude 37 GMT Light Blue40h
Ellum Manual Wind42h
Water Resistance
A4 Prelude 37 GMT Light Blue200m
Ellum Manual Wind50m
MSRP
A4 Prelude 37 GMT Light Blue$325
Ellum Manual Wind$799
Full specifications
Case
4 specsDiameter
37.4mm
38mm
Thickness
12.1mm
9mm
Lug-to-Lug
46mm
45mm
Water Resistance
200m
50m
Movement
3 specsCaliber
Seiko NH34
Sellita SW210
Type
Automatic
Manual
Power Reserve
40h
42h
Pricing
1 specsMSRP
$325
$799
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