Side by side
Alexander James Watches A4 Prelude 37 GMTvsSelten M1 Moonphase
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
M1 Moonphase39mm
Power Reserve
A4 Prelude 37 GMT—
M1 Moonphase—
Water Resistance
A4 Prelude 37 GMT200m
M1 Moonphase50m
MSRP
A4 Prelude 37 GMT—
M1 Moonphase—
Full specifications
Case
4 specsDiameter
37.4mm
39mm
Thickness
12.1mm
11.4mm
Lug-to-Lug
44.7mm
45.5mm
Water Resistance
200m
50m
Crystal & Dial
2 specsDial Color
White
White MoP
Lume
BGW9
None
Movement
1 specsCaliber
Seiko NH34
Modified Miyota 9015
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