Oak & Oscar The Humboldt GMTvsLorier Hyperion SII

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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.

Oak & Oscar The Humboldt GMT at true scale

The Humboldt GMT

Lorier Hyperion SII at true scale

Hyperion SII

Diameter

39.5mm

39mm

Lug-to-Lug

46.8mm

n/a

Thickness

12.5mm

n/a

Water Resistance

200m

200m

Power Reserve

56h

n/a

MSRP

$2,175

$699

lowest

Movement

Sellita SW330-2

Automatic

Case

6 specs
Diameter
39.5mm
39mm
Thickness
12.5mm
n/a
Lug-to-Lug
46.8mm
n/a
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
n/a
Caseback
Solid screw-down
n/a

Crystal & Dial

5 specs
Crystal Shape
Double-domed
n/a
AR Coating
Underside
n/a
Dial Color
White
Blue
Indices
Applied
n/a
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
Sellita SW330-2
n/a
Beat Rate
4 vph
0 vph
Power Reserve
56 hoursh
0h
Jewels
25
0

Pricing

1 specs
MSRP
$2,175
$699
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Oak & Oscar The Humboldt GMT

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.

From video reviewers

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.

Lorier Hyperion SII

Owners widely praise the Lorier Hyperion SII for its vintage aesthetic, with specific mentions of the glossy black dial and tasteful text. The finishing on the case is also highlighted as excellent, and the bracelet is found to be comfortable. One owner notes the Miyota 9075 movement as a standout feature for a GMT watch under $800. However, drawbacks include the Hesalite crystal, which can warp the view at the dial's edge and scratches easily, and the GMT hand is described as small and difficult to spot. One user also reported the winding action as not smooth with significant crown resistance. Overall, owners and reviewers rate the Lorier Hyperion SII highly for its vintage charm and value, particularly for its GMT functionality and case finishing.

From video reviewers

The GMT functionality is a key strength. The Miyota 9075 movement's 42-hour power reserve is a drawback. Reviewers disagreed on the value proposition at the price point.

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