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Alexander James Watches A4 Prelude 37 GMTvsJack Mason Ellum Manual Wind

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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A4 Prelude 37 GMT
Alexander James WatchesA4 Prelude 37 GMT
Ellum Manual Wind
Jack MasonEllum Manual Wind
MSRP $799
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At a glance

10 of 29 specs differ
Diameter
A4 Prelude 37 GMT37.4mm
Ellum Manual Wind38mm
Power Reserve
A4 Prelude 37 GMT—
Ellum Manual Wind42h
Water Resistance
A4 Prelude 37 GMT200m
Ellum Manual Wind50m
MSRP
A4 Prelude 37 GMT—
Ellum Manual Wind$799

Full specifications

Case

4 specs
Diameter
37.4mm
38mm
Thickness
12.1mm
9mm
Lug-to-Lug
44.7mm
45mm
Water Resistance
200m
50m

Crystal & Dial

2 specs
Dial Color
White
—
Lume
BGW9
None

Movement

3 specs
Caliber
Seiko NH34
Sellita SW210
Type
Automatic
Manual
Power Reserve
—
42h

Pricing

1 specs
MSRP
—
$799
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Jack Mason Ellum Manual WindvsMaystone Watch Co Prosperity GMTJack Mason Ellum Manual WindvsSerket Watch Co Blackpool GMTJack Mason Ellum Manual WindvsManufaktur Waldhoff Atlas GMTJack Mason Ellum Manual WindvsSpinnaker Croft 39 GMTAlexander James Watches A4 Prelude 37 GMTvsCWC (Cabot Watch Company) Mellor-72 Mechanical WatchAlexander James Watches A4 Prelude 37 GMTvsCincinnati Watch Company The Cincinnatian - Sold Out. Discontinued. Legacy
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