Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsMarathon GSAR (Government Search & Rescue) Diver's Automatic

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

RN Quartz Divers Watch Mk.2, Matte Top
CWCRN Quartz Divers Watch Mk.2, Matte Top
MSRP $604
GSAR (Government Search & Rescue) Diver's Automatic
MarathonGSAR (Government Search & Rescue) Diver's Automatic
MSRP $2,100

At a glance

9 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
GSAR (Government Search & Rescue) Diver's Automatic41mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
GSAR (Government Search & Rescue) Diver's Automatic40h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
GSAR (Government Search & Rescue) Diver's Automatic300m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
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

3 specs
AR Coating
Yes
Inner
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Anthracite
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Ronda 517
Sellita SW200-1
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$604
$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 RN Quartz Divers Watch Mk.2, Matte Top

Owners widely praise the CWC RN Quartz Divers Watch Mk.2, Matte Top for its excellent matte case finishing, precise seconds hand alignment, and dial reminiscent of vintage military watches. The Mk.2 upgrades, including a sapphire crystal, improved lume, and a precise 120-click bezel described as perfection with no play, are consistently highlighted as significant improvements over earlier versions. One owner noted the quartz movement gained 8 seconds over several months. Overall, owners rate the CWC RN Quartz Divers Watch Mk.2, Matte Top highly for its solid construction, military significance, and terrific value.

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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