Side by side

Alexander James Watches A4 Prelude 37 GMT Light BluevsLe Forban Sécurité Mer La Brestoise

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

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A4 Prelude 37 GMT Light Blue
Alexander James WatchesA4 Prelude 37 GMT Light Blue
MSRP $325
La Brestoise
Le Forban Sécurité MerLa Brestoise
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Buy from Le Forban Sécurité Mer ↗
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At a glance

9 of 29 specs differ
Diameter
A4 Prelude 37 GMT Light Blue37.4mm
La Brestoise39mm
Power Reserve
A4 Prelude 37 GMT Light Blue40h
La Brestoise42h
Water Resistance
A4 Prelude 37 GMT Light Blue200m
La Brestoise150m
MSRP
A4 Prelude 37 GMT Light Blue$325
La Brestoise—

Full specifications

Case

6 specs
Diameter
37.4mm
39mm
Thickness
12.1mm
12.7mm
Lug-to-Lug
46mm
45mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
150m

Movement

2 specs
Caliber
Seiko NH34
Miyota 8215
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$325
—
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All alternatives to the A4 Prelude 37 GMT Light Blue →All alternatives to the La Brestoise →
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