Side by side
Alexander James Watches Moon 38vsSeiko Astron GPS Solar 2025 Limited Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Moon 3838mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
Moon 38—
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Moon 38100m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Moon 38—
Astron GPS Solar 2025 Limited Edition$2,600
Full specifications
Case
6 specsCategory
—
GMT
Diameter
38mm
42mm
Thickness
11.2mm
12mm
Lug-to-Lug
44.4mm
47.9mm
Lug Width
20mm
14mm
Material
Stainless Steel
Titanium
Crystal & Dial
3 specsAR Coating
Inner
Super-clear coating
Dial Color
White Sunburst
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
6P28
3X62
Power Reserve
—
40h
Jewels
25
10
Pricing
1 specsMSRP
—
$2,600
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Alexander James Watches Moon 38 vs Seiko Astron GPS Solar 2025 Limited Edition gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Geltier CrescentvsSeiko Astron GPS Solar 2025 Limited EditionCastor Watches Valle de la LunavsSeiko Astron GPS Solar 2025 Limited EditionSternglas Naos MondphasevsSeiko Astron GPS Solar 2025 Limited EditionFarer MOONPHASEvsSeiko Astron GPS Solar 2025 Limited EditionAlexander James Watches Moon 38vsMarathon Steel Navigator SSNAV-D QuartzAlexander James Watches Moon 38vsDan Henry 1963