Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsTornek-Rayville CISO M38 Field

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
CISO M38 Field
Tornek-RayvilleCISO M38 Field
MSRP $695

At a glance

12 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
CISO M38 Field38mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
CISO M38 Field42h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
CISO M38 Field100m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
CISO M38 Field$695

Full specifications

Case

6 specs
Category
Diver
Diameter
41mm
38mm
Thickness
14mm
12.45mm
Lug-to-Lug
48mm
43.6mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Anthracite
Black
Lume
None
Superluminova

Movement

2 specs
Caliber
Sellita SW200-1
TMI NH36
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$2,100
$695

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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.

Tornek-Rayville CISO M38 Field

Owners widely report the Tornek-Rayville CISO M38 Field offers high overall quality with a comfortable bracelet featuring single-sided screw links. The watch exhibits minimal wear, with only hairline scratches and a faint, difficult-to-photograph bezel mark. On balance, owners value the Tornek-Rayville CISO M38 Field for its robust build and comfortable wearability.

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