Side by side

Gruppo Gamma Vanguard SteelvsOak & Oscar The Humboldt GMT SAR Edition

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

Vanguard Steel
Gruppo GammaVanguard Steel
MSRP $790
The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950

At a glance

15 of 29 specs differ
Diameter
Vanguard Steel42mm
The Humboldt GMT SAR Edition39.5mm
Power Reserve
Vanguard Steel42h
The Humboldt GMT SAR Edition56 hoursh
Water Resistance
Vanguard Steel100m
The Humboldt GMT SAR Edition200m
MSRP
Vanguard Steel$790
The Humboldt GMT SAR Edition$2,950

Full specifications

Case

8 specs
Category
GMT
Diameter
42mm
39.5mm
Thickness
12.6mm
12.5mm
Lug-to-Lug
49.5mm
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
Grade 5 Titanium
Water Resistance
100m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
Double-domed
AR Coating
Yes
Underside
Dial Color
Forged Carbon
Black

Movement

3 specs
Caliber
Miyota 9039
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
56 hoursh

Pricing

1 specs
MSRP
$790
$2,950

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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.

Gruppo Gamma Vanguard Steel

The Gruppo Gamma Vanguard Steel is praised for its aged steel case and cream sandwich dial. However, some owners dislike the distorted sapphire crystal and the absence of minute markers, with one noting difficulty in replacing the crystal due to hand fitment. The watch features a Miyota 9039 movement with a 42-hour power reserve and an accuracy range of -10 to +30 seconds per day, and is offered with two strap options. On balance, owners value the Gruppo Gamma Vanguard Steel for its distinctive aged aesthetic and dial design, despite some reservations about the crystal.

From video reviewers

Movement accuracy is a notable strength, with one reviewer noting a -1.8 second per day deviation after initial testing. A weakness is the substantial price hike for the re-release model, which raises questions about whether the upgrades justify the cost. Reviewers disagree on the watch's originality, with one calling it "decidedly derivative" and the other not mentioning this aspect.

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.

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