Side by side

Oak & Oscar The Humboldt 12-hrvsZelos Spearfish GMT

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

The Humboldt 12-hr
Oak & OscarThe Humboldt 12-hr
MSRP $1,750
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

15 of 29 specs differ
Diameter
The Humboldt 12-hr39.5mm
Spearfish GMT40mm
Power Reserve
The Humboldt 12-hr42 hoursh
Spearfish GMT40h
Water Resistance
The Humboldt 12-hr200m
Spearfish GMT200m
MSRP
The Humboldt 12-hr$1,750
Spearfish GMT$999

Full specifications

Case

5 specs
Category
Tool
GMT
Diameter
39.5mm
40mm
Thickness
12.4mm
13mm
Lug-to-Lug
46.8mm
40mm
Caseback
Solid screw-down
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
ETA 2892A2
Sellita SW330-2
Beat Rate
4 vph
28,800 vph
Power Reserve
42 hoursh
40h
Jewels
21
25
Complications
GMT, Chronograph, Date
None

Pricing

1 specs
MSRP
$1,750
$999

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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 12-hr

Oak & Oscar The Humboldt 12-hr owners widely praise its comfortable, solid bracelet with screw links and tight end-link fit, along with its awesome sandwich dial featuring superb grain and crisp details. The 12-hour bezel is noted as excellent for tracking a second time zone, and the orange second hand adds a nice pop. One owner reports the watch has outstanding quality and a perfect fit on smaller wrists, while another notes its legibility and great presence on various straps. A reviewer describes it as a 40mm stainless steel tool watch with a matte, brushed finish and a sandwich dial, powered by an ETA 2892-A2 movement with a 42-hour power reserve. Some in the line report the lume could be brighter. On balance, owners and reviewers rate Oak & Oscar The Humboldt 12-hr highly for its build quality and versatile tool-watch design.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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