Side by side

CWC SBS Divers Issue Quartz Watch Mk.2 Day/DatevsMarathon GPQ (General Purpose Quartz) Field Watch

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

SBS Divers Issue Quartz Watch Mk.2 Day/Date
CWCSBS Divers Issue Quartz Watch Mk.2 Day/Date
MSRP $624
GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420

At a glance

12 of 29 specs differ
Diameter
SBS Divers Issue Quartz Watch Mk.2 Day/Date41mm
GPQ (General Purpose Quartz) Field Watch34mm
Power Reserve
SBS Divers Issue Quartz Watch Mk.2 Day/Date40h
GPQ (General Purpose Quartz) Field Watch40h
Water Resistance
SBS Divers Issue Quartz Watch Mk.2 Day/Date300m
GPQ (General Purpose Quartz) Field Watch30m
MSRP
SBS Divers Issue Quartz Watch Mk.2 Day/Date$624
GPQ (General Purpose Quartz) Field Watch$420

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
41mm
34mm
Thickness
12mm
11.5mm
Lug-to-Lug
47mm
41mm
Lug Width
20mm
16mm
Material
Stainless Steel
Fibreshell Composite
Water Resistance
300m
30m

Crystal & Dial

3 specs
Crystal
Sapphire
Acrylic
Dial Color
CWC SBS Divers Issue Quartz Watch Mk.2 Day/Date, Black (SF300 QS120-DD)
Black
Lume
Super-LumiNova
None

Movement

1 specs
Caliber
Swiss High-Torque Quartz (3J, EOL)

Pricing

1 specs
MSRP
$624
$420

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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 SBS Divers Issue Quartz Watch Mk.2 Day/Date

The CWC SBS Divers Issue Quartz Watch Mk.2 Day/Date is widely praised for its exceptional legibility, particularly its dial design and thickly applied Super-LumiNova that remains readable all night. Owners appreciate its robust, toolish, bombproof design and comfortable wearability, with one noting its 11mm thickness and smaller wear size. The PVD finish withstands significant abuse. The Ronda movement is considered to have consistent second-hand movement. Some find its £700 price steep, especially compared to less expensive quartz divers, and fixed spring bars are noted as a drawback. Customer service is also flagged as potentially lacking by some. Overall, owners and reviewers rate the CWC SBS Divers Issue Quartz Watch Mk.2 Day/Date highly for its military aesthetics, legibility, and robust, comfortable tool-watch build.

Marathon GPQ (General Purpose Quartz) Field Watch

Owners widely praise the Marathon GPQ (General Purpose Quartz) Field Watch for its rugged quartz movement, accuracy, and tritium lume. Reviewers and owners alike highlight its solid build, legibility, and comfortable, lightweight wear, making it particularly well-suited for smaller wrists. Some owners, however, consider the price point of $350-420 to be somewhat high. On balance, the consensus is that owners rate the Marathon GPQ (General Purpose Quartz) Field Watch highly for its dependable quartz accuracy and excellent tritium lume.

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