Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsSternglas Naos Pro GMT Automatik

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

GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100
Naos Pro GMT Automatik
SternglasNaos Pro GMT Automatik
MSRP $863

At a glance

12 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
Naos Pro GMT Automatik38mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
Naos Pro GMT Automatik42h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
Naos Pro GMT Automatik50m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
Naos Pro GMT Automatik$863

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
41mm
38mm
Thickness
14mm
11mm
Lug-to-Lug
48mm
42mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

2 specs
Dial Color
Anthracite
Lume
None
Luminova Punkte

Movement

3 specs
Caliber
Sellita SW200-1
Miyota 9075
Power Reserve
40h
42h
Jewels
25

Pricing

1 specs
MSRP
$2,100
$863

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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.

Marathon GSAR (Government Search & Rescue) Diver's Automatic

The Marathon GSAR (Government Search & Rescue) Diver's Automatic is widely praised for its legibility, comfort, and exceptional tritium illumination, with reviewers highlighting its utilitarian, military-equipment feel and a 41mm case size considered ideal. Owners appreciate its grippy bezel and the 300 meters of water resistance provided by the screw-down crown, deeming it a solid value for a Swiss-made tool watch. Some owners report quality control issues, with one user needing to warranty two watches, and another notes the GSAR wears taller than other models, leading to occasional bumping. The reliable ETA 2824-A2 movement is a consistent feature. Overall, owners and reviewers rate the Marathon GSAR (Government Search & Rescue) Diver's Automatic highly for its bright tritium lume and robust, no-nonsense tool watch design.

Sternglas Naos Pro GMT Automatik

Owners report the Sternglas Naos can feel underwhelming with a cheap feel and hands resembling office printer output, with some finding it wears smaller than expected and looks like a toy, though others appreciate its understated design. Reviewers highlight the Argo Automatic variant as a compelling sub-€400 mechanical watch with a colorful dial and practical date wheel, suitable for new collectors, featuring a 38mm case and a Miyota 8215 movement. On balance, the consensus is that the Sternglas Naos offers a mixed ownership experience, with its value proposition and entry-level appeal being its strongest points for some.

From video reviewers

The Sternglas Naos Pro GMT Automatik features a clean Bauhaus design that sets it apart from other GMT watches. A notable weakness is the watch's bezel action, which is not as smooth as some reviewers would have liked. Reviewers disagree on the watch's case size, with one reviewer stating it's slightly larger than the original Naos Automatic, while another reviewer doesn't mention this aspect at all.

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