Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsTissot PRX Carbon

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
PRX Carbon
TissotPRX Carbon
MSRP $1,150

At a glance

14 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
PRX Carbon40.5mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
PRX Carbon80h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
PRX Carbon100m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
PRX Carbon$1,150

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
41mm
40.5mm
Thickness
14mm
11.23mm
Lug-to-Lug
48mm
40mm
Lug Width
20mm
12mm
Material
316L Stainless Steel
Carbon
Water Resistance
300m
100m

Crystal & Dial

4 specs
AR Coating
Inner
Yes
Dial Color
Anthracite
Black carbon
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
Sellita SW200-1
Powermatic 80
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$2,100
$1,150

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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.

Tissot PRX Carbon

The Tissot PRX Carbon is widely praised for its unique, stealthy forged carbon aesthetic and lightweight wearability, with many owners considering it a standout within the PRX line. Owners consistently highlight the comfortable, high-quality rubber strap and the appealing forged carbon look. Accuracy is noted as COSC-level, and the Powermatic 80 movement is specifically mentioned as featuring a silicon balance spring. However, legibility is hampered by a textured carbon dial and poor lume, and some owners find the dial too shiny. The $1,150 price point is considered high by some, though others view it as decent value. On balance, owners rate the Tissot PRX Carbon highly for its distinctive lightweight design and comfortable wearability.

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