Side by side
Alexander James Watches A4 Prelude 37 GMTvsDuckworth Prestex Bolton Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
A4 Prelude 37 GMT37.4mm
Bolton Automatic39mm
Power Reserve
A4 Prelude 37 GMT—
Bolton Automatic40h
Water Resistance
A4 Prelude 37 GMT200m
Bolton Automatic200m
MSRP
A4 Prelude 37 GMT—
Bolton Automatic$776
Full specifications
Case
3 specsDiameter
37.4mm
39mm
Thickness
12.1mm
11mm
Lug-to-Lug
44.7mm
46.5mm
Crystal & Dial
2 specsDial Color
White
—
Lume
BGW9
None
Movement
2 specsCaliber
Seiko NH34
Miyota 82S5
Power Reserve
—
40h
Pricing
1 specsMSRP
—
—
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