Side by side
Alexander James Watches A4 Prelude 37 GMTvsBorealis Watch Co. Estoril 300 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
A4 Prelude 37 GMT37.4mm
Estoril 300 GMT41.50mm
Power Reserve
A4 Prelude 37 GMT—
Estoril 300 GMT40h
Water Resistance
A4 Prelude 37 GMT200m
Estoril 300 GMT300m
MSRP
A4 Prelude 37 GMT—
Estoril 300 GMT$600
Full specifications
Case
6 specsCategory
—
Diver
Diameter
37.4mm
41.50mm
Thickness
12.1mm
13.5mm
Lug-to-Lug
44.7mm
47mm
Lug Width
20mm
20mm
Water Resistance
200m
300m
Crystal & Dial
1 specsDial Color
White
Black
Movement
2 specsCaliber
Seiko NH34
Miyota 9075
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$600
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