Side by side
Alexander James Watches A4 Prelude 37 GMTvsDecima Gatekeeper
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
A4 Prelude 37 GMT37.4mm
Gatekeeper38mm
Power Reserve
A4 Prelude 37 GMT—
Gatekeeper42h
Water Resistance
A4 Prelude 37 GMT200m
Gatekeeper50m
MSRP
A4 Prelude 37 GMT—
Gatekeeper$599
Full specifications
Case
5 specsDiameter
37.4mm
38mm
Thickness
12.1mm
9.9mm
Lug-to-Lug
44.7mm
46mm
Lug Width
20mm
—
Water Resistance
200m
50m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9
None
Movement
2 specsCaliber
Seiko NH34
Miyota 9039
Power Reserve
—
42h
Pricing
1 specsMSRP
—
$599
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