Side by side
Airain Watches Sous-MarinevsAlexander James Watches A4 Prelude 37 GMT Light Blue
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Sous-Marine37.5mm
A4 Prelude 37 GMT Light Blue37.4mm
Power Reserve
Sous-Marine68h
A4 Prelude 37 GMT Light Blue40h
Water Resistance
Sous-Marine200m
A4 Prelude 37 GMT Light Blue200m
MSRP
Sous-Marine$2,050
A4 Prelude 37 GMT Light Blue$325
Full specifications
Case
3 specsDiameter
37.5mm
37.4mm
Thickness
10.45mm
12.1mm
Lug-to-Lug
48.2mm
46mm
Crystal & Dial
2 specsDial Color
Black
—
Lume
Super-LumiNova C3
None
Movement
2 specsCaliber
La Joux-Perret G100
Seiko NH34
Power Reserve
68h
40h
Pricing
1 specsMSRP
$2,050
$325
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