Side by side

CWC Automatic Divers Watch Mk.2 BlackvsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

Automatic Divers Watch Mk.2 Black
CWCAutomatic Divers Watch Mk.2 Black
MSRP $1,249
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

6 of 29 specs differ
Diameter
Automatic Divers Watch Mk.2 Black41mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
Automatic Divers Watch Mk.2 Black40h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
Automatic Divers Watch Mk.2 Black300m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
Automatic Divers Watch Mk.2 Black$1,249
GSAR (Government Search & Rescue) Diver's Automatic$2,100

Full specifications

Case

3 specs
Thickness
12mm
14mm
Lug-to-Lug
47mm
48mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
CWC Automatic Divers Watch Mk.2 Black (SF300 AS120)
Anthracite
Lume
Super-LumiNova
None

Pricing

1 specs
MSRP
$1,249
$2,100

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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.

CWC Automatic Divers Watch Mk.2 Black

Owners widely praise the CWC Automatic Divers Watch Mk.2 Black for its brushed chapter ring, precise 120-click bezel, clear sapphire crystal, excellent case finishing, and significantly improved lume. The watch is considered a terrific value with solid construction. Some owners express a preference for a matte finish for a more tool-like appearance, though polished versions offer a dressier look and easier scratch removal. On balance, owners rate the CWC Automatic Divers Watch Mk.2 Black highly for its tool-like features and excellent value.

From video reviewers

The bezel action is smooth. The price has increased due to popularity.

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.

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