Side by side
Alexander James Watches A4 Prelude 37 GMT Light BluevsNodus Obscura II
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
A4 Prelude 37 GMT Light Blue37.4mm
Obscura II38mm
Power Reserve
A4 Prelude 37 GMT Light Blue40h
Obscura II41h
Water Resistance
A4 Prelude 37 GMT Light Blue200m
Obscura II100m
MSRP
A4 Prelude 37 GMT Light Blue$325
Obscura II$650
Full specifications
Case
5 specsCategory
—
Dress
Diameter
37.4mm
38mm
Thickness
12.1mm
11.7mm
Lug-to-Lug
46mm
47mm
Water Resistance
200m
100m
Crystal & Dial
3 specsCrystal Shape
Flat
Box
AR Coating
Inner
Yes
Lume
None
Swiss Super-LumiNova® BGW9 Grade A
Movement
3 specsCaliber
Seiko NH34
TMI NH38
Power Reserve
40h
41h
Jewels
25
24
Pricing
1 specsMSRP
$325
$650
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