Side by side

CWC T20 General Service Quartz WatchvsMarathon GPQ (General Purpose Quartz) Field Watch

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

T20 General Service Quartz Watch
CWCT20 General Service Quartz Watch
MSRP $249
GPQ (General Purpose Quartz) Field Watch
MarathonGPQ (General Purpose Quartz) Field Watch
MSRP $420

At a glance

10 of 29 specs differ
Diameter
T20 General Service Quartz Watch38mm
GPQ (General Purpose Quartz) Field Watch34mm
Power Reserve
T20 General Service Quartz Watch40h
GPQ (General Purpose Quartz) Field Watch40h
Water Resistance
T20 General Service Quartz Watch50m
GPQ (General Purpose Quartz) Field Watch30m
MSRP
T20 General Service Quartz Watch$249
GPQ (General Purpose Quartz) Field Watch$420

Full specifications

Case

6 specs
Diameter
38mm
34mm
Thickness
12mm
11.5mm
Lug-to-Lug
42mm
41mm
Lug Width
18.5mm
16mm
Material
Stainless Steel
Fibreshell Composite
Water Resistance
50m
30m

Crystal & Dial

2 specs
Dial Color
CWC T20 General Service Quartz Watch
Black
Lume
Super-LumiNova
None

Movement

1 specs
Caliber
Ronda 515
Swiss High-Torque Quartz (3J, EOL)

Pricing

1 specs
MSRP
$249
$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 T20 General Service Quartz Watch

The CWC T20 General Service Quartz Watch is widely praised for its simple, clean, and classic look, with owners considering it a classy and comfortable field watch. Its 38mm tonneau case is seen by some as a cool retro piece representative of original MOD specifications, though others find this size too small for larger wrists. The watch is noted for keeping accurate time, with one owner reporting it as practical for everyday wear. It features a stainless steel case, sapphire crystal, and a Ronda 715 movement. A limitation mentioned is the fixed lugs, which restrict strap versatility. Overall, owners rate the CWC T20 General Service Quartz Watch highly for its classic military-inspired aesthetic and reliable timekeeping at an affordable price.

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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