Oak & Oscar The Humboldt GMTvsGruppo Gamma Field III GMT Date
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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

Field III GMT Date
Diameter
39.5mm
40mm
Lug-to-Lug
46.8mm
lowest
48.5mm
Thickness
12.5mm
lowest
14mm
Water Resistance
200m
200m
Power Reserve
56h
highest
41h
MSRP
$2,175
$459
lowest
Movement
Sellita SW330-2
Seiko NH34
Case
7 specsCrystal & Dial
4 specsMovement
5 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Oak & Oscar The Humboldt GMT is praised for its exceptional accuracy, often running at or near 0 seconds per day, and its robust construction quality for the price. Owners highlight the sandwich dial construction with its signature date window and orange accents, along with its anti-magnetic properties. Some find the bracelet sizing adjustment slightly awkward and note the lume could be brighter. On balance, owners and reviewers rate the Oak & Oscar The Humboldt GMT highly for its precise timekeeping and solid build at its price point.
The Humboldt GMT's sandwich dial and true GMT complication deliver practical traveler functionality in a 40mm brushed stainless steel case with 20ATM water resistance. Swiss-made movement construction with anti-shock and anti-magnetic properties meets tight manufacturing tolerances and rigorous testing standards. Positioning against sub-$2,000 GMT competitors raises questions about value proposition relative to alternatives in this price tier.
Owners widely praise the Gruppo Gamma Field III GMT Date for its incredible quality, awesome looks, and good value for the price. The watch features a 40mm brushed 316L stainless steel case, a box sapphire crystal, and a Seiko NH34 automatic movement. Some owners note accuracy figures ranging from -20 to +40 seconds per day, while others report +5 seconds per day. One user found the 40mm size unsuitable for small wrists. Overall, owners rate the Gruppo Gamma Field III GMT Date highly for its build quality and aesthetic appeal at its price point.
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