Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsPhoibos Leviathan

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

The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950
Leviathan
PhoibosLeviathan
MSRP $399

At a glance

12 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Leviathan40mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Leviathan40h
Water Resistance
The Humboldt GMT SAR Edition200m
Leviathan200m
MSRP
The Humboldt GMT SAR Edition$2,950
Leviathan$399

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
39.5mm
40mm
Thickness
12.5mm
13mm
Lug-to-Lug
46.8mm
48mm
Material
Grade 5 Titanium
Stainless Steel
Caseback
Solid screw-down
Solid

Crystal & Dial

2 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Yes

Movement

3 specs
Caliber
Sellita SW330
SII NH35
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,950
$399

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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 SAR Edition

Oak & Oscar The Humboldt GMT SAR Edition is praised for its anti-magnetic properties, sandwich lume dial, and overall construction quality for its price point. It features a brushed Grade 5 titanium case, a navy blue sandwich dial with an orange minute track and seconds hand, and a Sellita SW330 movement with a 56-hour power reserve. Minor drawbacks noted include bracelet sizing adjustment and lume brightness. On balance, owners and reviewers rate Oak & Oscar The Humboldt GMT SAR Edition highly for its robust construction and unique dial design at its price point.

Phoibos Leviathan

Owners widely praise the Phoibos Leviathan for its excellent value, superb case finishing, and generous lume. The watch is described as visually striking, legible, and well-made, with a unique case design, sapphire crystal, and a comfortable FKM strap or excellent bracelet with a milled clasp and quick adjustments. Some owners note the bezel's staggered jimping can cause fingers to slip, and the beveled crystal can distort the view of indices. Accuracy varies, with one owner reporting losing 5-10 seconds per day without a winder, while others state it keeps accurate time out of the box. The watch is frequently described as heavy and thick, with some owners finding it too large for wrists smaller than 7.5 inches, although newer models feature an improved clasp for better comfort and functionality. Overall, owners rate the Phoibos Leviathan highly for its striking design and impressive finishing at an accessible price point.

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