Side by side

Gruppo Gamma Vanguard WeatheredvsSpinnaker Bradner GMT

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

Vanguard Weathered
Gruppo GammaVanguard Weathered
MSRP $790
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

12 of 29 specs differ
Diameter
Vanguard Weathered42mm
Bradner GMT42mm
Power Reserve
Vanguard Weathered42h
Bradner GMT40h
Water Resistance
Vanguard Weathered100m
Bradner GMT180m
MSRP
Vanguard Weathered$790
Bradner GMT$299

Full specifications

Case

6 specs
Category
GMT
Thickness
12.6mm
15mm
Lug-to-Lug
49.5mm
50mm
Material
Stainless Steel
316L Stainless Steel
Finish
Weathered
Brushed and polished
Water Resistance
100m
180m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Forged Carbon
Brown
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Miyota 9039
Seiko NH34A
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$790
$299

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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 Weathered

The satin-finished steel case is well-executed and aesthetically pleasing. The watch's lumières de nuit are not particularly bright, which might be a drawback for some users. Reviewers disagree on the watch's originality, with one reviewer finding it pleasing in-person and another describing it as decidedly derivative.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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