Side by side
Alexander James Watches A4 Prelude 37 GMTvsSeestern S424 Full Lume Pilot
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
A4 Prelude 37 GMT37.4mm
S424 Full Lume Pilot38mm
Power Reserve
A4 Prelude 37 GMT—
S424 Full Lume Pilot41h
Water Resistance
A4 Prelude 37 GMT200m
S424 Full Lume Pilot50m
MSRP
A4 Prelude 37 GMT—
S424 Full Lume Pilot$299
Full specifications
Case
7 specsCategory
—
Pilot
Diameter
37.4mm
38mm
Thickness
12.1mm
11mm
Lug-to-Lug
44.7mm
46mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
50m
Crystal & Dial
2 specsDial Color
White
Black
Lume
BGW9
Full lume
Movement
5 specsCaliber
Seiko NH34
Seiko NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
—
41h
Jewels
25
24
Complications
None
GMT
Pricing
1 specsMSRP
—
$299
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