Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsLum-Tec Solar Marine

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
Solar Marine
Lum-TecSolar Marine
MSRP $463

At a glance

15 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Solar Marine39mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Solar Marine40h
Water Resistance
The Humboldt GMT SAR Edition200m
Solar Marine300m
MSRP
The Humboldt GMT SAR Edition$2,950
Solar Marine$463

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39.5mm
39mm
Thickness
12.5mm
10.7mm
Lug-to-Lug
46.8mm
43.5mm
Material
Grade 5 Titanium
316L Stainless Steel (DLC coated)
Water Resistance
200m
300m
Caseback
Solid screw-down
Solid

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$2,950
$463

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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.

Lum-Tec Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

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