Side by side

Oak & Oscar The Humboldt GMTvsSeiko Prospex Land Mechanical

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

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 owners widely praise its exceptional accuracy, often running at or near 0 seconds per day, and its comfortable wearability with subtle design details. The construction quality for the price point, sandwich lume, and anti-magnetic properties are also highlighted. Some owners find the bracelet sizing adjustment slightly awkward, and one noted the lume could be brighter. Overall, owners rate the Oak & Oscar The Humboldt GMT highly for its accuracy and comfortable wearability.

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.

Seiko Prospex Land Mechanical

Owners widely praise the Seiko Prospex Land Mechanical for its unique style, useful day-date complication, and value, with some finding it suitable as a one-watch-for-all-occasions. Accuracy and durability are noted as strengths, with one owner reporting good performance even in water submersion. However, multiple owners criticize its size, with figures around 41mm to 43mm and 14.4mm thickness being flagged as too large and thick for smaller wrists. The Hardlex crystal and a potentially loose inner compass bezel are also points of criticism. On balance, owners rate the Seiko Prospex Land Mechanical highly for its unique style and value, despite concerns over its substantial dimensions.

At a glance

16 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Prospex Land Mechanical39.5mm
Power Reserve
The Humboldt GMT56 hoursh
Prospex Land Mechanical72h
Water Resistance
The Humboldt GMT200m
Prospex Land Mechanical200m
MSRP
The Humboldt GMT$2,175
Prospex Land Mechanical$995

Full specifications

Case

6 specs
Category
GMT
Field
Thickness
12.5mm
12.7mm
Lug-to-Lug
46.8mm
46.4mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
Caseback
Solid screw-down

Crystal & Dial

5 specs
Crystal Shape
Double-domed
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
White
Indices
Applied
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
Sellita SW330-2
Seiko 6R55
Beat Rate
4 vph
0 vph
Power Reserve
56 hoursh
72h
Jewels
25
24

Pricing

1 specs
MSRP
$2,175
$995
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