Side by side

Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsYema Superman Slim CMM.20

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
Superman Slim CMM.20
YemaSuperman Slim CMM.20
MSRP $2,372

At a glance

7 of 29 specs differ
Diameter
GSAR (Government Search & Rescue) Diver's Automatic41mm
Superman Slim CMM.2039mm
Power Reserve
GSAR (Government Search & Rescue) Diver's Automatic40h
Superman Slim CMM.2040h
Water Resistance
GSAR (Government Search & Rescue) Diver's Automatic300m
Superman Slim CMM.20300m
MSRP
GSAR (Government Search & Rescue) Diver's Automatic$2,100
Superman Slim CMM.20$2,372

Full specifications

Case

3 specs
Diameter
41mm
39mm
Thickness
14mm
9.95mm
Lug-to-Lug
48mm

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Anthracite
Black

Movement

1 specs
Caliber
Sellita SW200-1
Yema CMM.20

Pricing

1 specs
MSRP
$2,100
$2,372

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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.

Yema Superman Slim CMM.20

Owners and reviewers praise the Yema Superman Slim CMM.20 for its appealing retro design, balanced 39mm case, and in-house CMM.20 micro-rotor movement, with some finding the fish scale bracelet attractive. Concerns exist regarding its $2500/€2,490 MSRP, with some owners questioning its value and noting the potential for QC issues or a "jittery" seconds hand attributed to the new movement. The bracelet's articulation and stamped clasp draw criticism, though some owners report it improves with wear. Overall, owners and reviewers appreciate the Yema Superman Slim CMM.20's vintage styling and unique micro-rotor movement, but its value proposition and some finishing details are points of contention.

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