Side by side

Airain Watches Sous-MarinevsAlexander James Watches A4 Legacy X 37

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

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Sous-Marine
Airain WatchesSous-Marine
MSRP $2,050
A4 Legacy X 37
Alexander James WatchesA4 Legacy X 37
Buy from Airain Watches ↗
Buy used on eBay ↗
Buy from Alexander James Watches ↗
Buy used on eBay ↗

At a glance

7 of 29 specs differ
Diameter
Sous-Marine37.5mm
A4 Legacy X 3737.4mm
Power Reserve
Sous-Marine68h
A4 Legacy X 37—
Water Resistance
Sous-Marine200m
A4 Legacy X 37200m
MSRP
Sous-Marine$2,050
A4 Legacy X 37—

Full specifications

Case

3 specs
Diameter
37.5mm
37.4mm
Thickness
10.45mm
12.1mm
Lug-to-Lug
48.2mm
44.7mm

Crystal & Dial

1 specs
Lume
Super-LumiNova C3
None

Movement

2 specs
Caliber
La Joux-Perret G100
Seiko NH38
Power Reserve
68h
—

Pricing

1 specs
MSRP
$2,050
—
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