Side by side
Alexander James Watches A4 Prelude 37 GMTvsBremont Supermarine 300M
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
A4 Prelude 37 GMT37.4mm
Supermarine 300M40mm
Power Reserve
A4 Prelude 37 GMT—
Supermarine 300M40h
Water Resistance
A4 Prelude 37 GMT200m
Supermarine 300M300m
MSRP
A4 Prelude 37 GMT—
Supermarine 300M$3,550
Full specifications
Case
6 specsCategory
—
Diver
Diameter
37.4mm
40mm
Thickness
12.1mm
12mm
Lug-to-Lug
44.7mm
—
Material
Stainless Steel
904L Stainless Steel
Water Resistance
200m
300m
Crystal & Dial
2 specsDial Color
White
Green
Lume
BGW9
None
Movement
2 specsCaliber
Seiko NH34
BE-92AE
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$3,550
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