Side by side

Oak & Oscar The Humboldt GMTvsZelos Spearfish 3

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
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

14 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
Spearfish 340mm
Power Reserve
The Humboldt GMT56 hoursh
Spearfish 340h
Water Resistance
The Humboldt GMT200m
Spearfish 3200m
MSRP
The Humboldt GMT$2,175
Spearfish 3$749

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
39.5mm
40mm
Thickness
12.5mm
11.5mm
Lug-to-Lug
46.8mm
40mm
Finish
Brushed
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW330
La Joux-Perret G100
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,175
$749

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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.

Zelos Spearfish 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

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