Side by side
Alexander James Watches A4 Prelude 37 GMTvsCircula Watches AquaSport GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
7 of 29 specs differDiameter
A4 Prelude 37 GMT37.4mm
AquaSport GMT40mm
Power Reserve
A4 Prelude 37 GMT—
AquaSport GMT56h
Water Resistance
A4 Prelude 37 GMT200m
AquaSport GMT200m
MSRP
A4 Prelude 37 GMT—
AquaSport GMT—
Full specifications
Case
3 specsDiameter
37.4mm
40mm
Thickness
12.1mm
12.6mm
Lug-to-Lug
44.7mm
46mm
Crystal & Dial
2 specsDial Color
White
Blue
Lume
BGW9
None
Movement
2 specsCaliber
Seiko NH34
Sellita SW330-2
Power Reserve
—
56h
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