Side by side
Oak & Oscar The Humboldt GMT USSS EditionvsSeiko 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
15 of 29 specs differDiameter
The Humboldt GMT USSS Edition39.5mm
Astron GPS Solar 2025 Limited Edition42mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
The Humboldt GMT USSS Edition200m
Astron GPS Solar 2025 Limited Edition100m
MSRP
The Humboldt GMT USSS Edition$2,200
Astron GPS Solar 2025 Limited Edition$2,600
Full specifications
Case
7 specsDiameter
39.5mm
42mm
Thickness
12.5mm
12mm
Lug-to-Lug
46.8mm
47.9mm
Lug Width
20mm
14mm
Material
316L Stainless Steel
Titanium
Water Resistance
200m
100m
Caseback
Engraved
Solid
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
AR Coating
Inner
Super-clear coating
Lume
Super-LumiNova BGW9
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Sellita SW330
3X62
Type
Automatic
Quartz
Power Reserve
56 hoursh
40h
Jewels
25
10
Pricing
1 specsMSRP
$2,200
$2,600
Follow this matchup
Get a note when Oak & Oscar The Humboldt GMT USSS Edition vs Seiko Astron GPS Solar 2025 Limited Edition gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Oak & Oscar The Humboldt GMTvsSeiko Astron GPS Solar 2025 Limited EditionOak & Oscar The Humboldt GMT SAR EditionvsSeiko Astron GPS Solar 2025 Limited EditionOak & Oscar The Humboldt GMT TitaniumvsSeiko Astron GPS Solar 2025 Limited EditionPhoibos Wave Master GMTvsSeiko Astron GPS Solar 2025 Limited EditionOak & Oscar The Humboldt GMT USSS EditionvsMarathon Steel Navigator SSNAV-D QuartzDan Henry 1963vsOak & Oscar The Humboldt GMT USSS Edition