Side by side

Oak & Oscar The Humboldt GMTvsSpinnaker Bradner GMT

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

The Humboldt GMT
Oak & OscarThe Humboldt GMT
MSRP $2,175
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

15 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Bradner GMT42mm
Power Reserve
The Humboldt GMT56 hoursh
Bradner GMT40h
Water Resistance
The Humboldt GMT200m
Bradner GMT180m
MSRP
The Humboldt GMT$2,175
Bradner GMT$299

Full specifications

Case

7 specs
Diameter
39.5mm
42mm
Thickness
12.5mm
15mm
Lug-to-Lug
46.8mm
50mm
Lug Width
20mm
22mm
Finish
Brushed
Brushed and polished
Water Resistance
200m
180m
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
White
Brown
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW330
Seiko NH34A
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,175
$299

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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.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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