Side by side

Oak & Oscar The Humboldt GMTvsSpinnaker Spence 300

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
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

15 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Spence 30040mm
Power Reserve
The Humboldt GMT56 hoursh
Spence 30040h
Water Resistance
The Humboldt GMT200m
Spence 300300m
MSRP
The Humboldt GMT$2,175
Spence 300$650

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39.5mm
40mm
Thickness
12.5mm
11.5mm
Lug-to-Lug
46.8mm
48mm
Finish
Brushed
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid screw-down
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW330
SII NH35A
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,175
$650

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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 Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

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