Oak & Oscar The Humboldt GMT USSS EditionvsZelos Spearfish GMT
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
The Humboldt GMT USSS Edition
Spearfish GMT
Diameter
39.5mm
40mm
Lug-to-Lug
46.8mm
n/a
Thickness
12.5mm
lowest
13mm
Water Resistance
200m
200m
Power Reserve
56h
n/a
MSRP
$1,975
$999
lowest
Movement
Sellita SW330-2
Sellita SW330-2
Case
4 specsCrystal & Dial
3 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Oak & Oscar The Humboldt GMT USSS Edition is widely praised for its big-brand level finishing, craftsmanship, and unique design, including a sandwich lume dial and anti-magnetic properties due to a Faraday cage. Owners and reviewers alike note its instant recognizability and practical GMT complication. One owner points out that the bracelet's half-link adjustment creates an odd angle, and the lume could be brighter. On balance, owners and reviewers rate the Oak & Oscar The Humboldt GMT USSS Edition highly for its impressive finishing and anti-magnetic capabilities at its price point.
Owners widely praise the Zelos Spearfish GMT for its exceptional value and build quality, with one owner noting it garners more compliments than higher-end watches. Reviewers highlight its excellent machining, flawless finishing, and a superb bracelet featuring tool-less micro-adjustment that surpasses its price point. The watch is powered by a Sellita SW330-2 automatic movement. Some owners report accuracy around +2.6 seconds per day, while others note a minor compromise in end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and bracelet at its $645 price.
The bezel action is a strong point. The bracelet quality is a weakness. Reviewers disagreed on the dial material, with some mentioning aventurine and others meteorite.
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