Side by side

Gruppo Gamma Vanguard WeatheredvsMarathon Steel Navigator SSNAV-D Auto

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

Vanguard Weathered
Gruppo GammaVanguard Weathered
MSRP $790
Steel Navigator SSNAV-D Auto
MarathonSteel Navigator SSNAV-D Auto
MSRP $1,400

At a glance

14 of 29 specs differ
Diameter
Vanguard Weathered42mm
Steel Navigator SSNAV-D Auto41mm
Power Reserve
Vanguard Weathered42h
Steel Navigator SSNAV-D Auto40h
Water Resistance
Vanguard Weathered100m
Steel Navigator SSNAV-D Auto60m
MSRP
Vanguard Weathered$790
Steel Navigator SSNAV-D Auto$1,400

Full specifications

Case

8 specs
Category
Pilot
Diameter
42mm
41mm
Thickness
12.6mm
11mm
Lug-to-Lug
49.5mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Weathered
Brushed and polished
Water Resistance
100m
60m

Crystal & Dial

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

Movement

2 specs
Caliber
Miyota 9039
Sellita SW220-1
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$790
$1,400

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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.

Marathon Steel Navigator SSNAV-D Auto

The Marathon Steel Navigator SSNAV-D Auto is praised for its durable construction, featuring a sandblasted steel case with improved lugs, a bi-directional bezel with excellent action, and 100m water resistance. Owners appreciate the constant visibility provided by self-illuminating tritium gas tubes and the precision of its ETA F06.412 quartz movement, which offers accuracy to about 10 seconds per year. The watch includes a GMT bezel for dual timekeeping and a synthetic sapphire crystal. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Auto highly for its robust tool-watch design and reliable tritium illumination.

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