Side by side

CWC T20 General Service Quartz WatchvsMarathon Steel Navigator SSNAV Quartz

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
Steel Navigator SSNAV Quartz
MarathonSteel Navigator SSNAV Quartz
MSRP $1,000

At a glance

12 of 29 specs differ
Diameter
T20 General Service Quartz Watch38mm
Steel Navigator SSNAV Quartz41mm
Power Reserve
T20 General Service Quartz Watch40h
Steel Navigator SSNAV Quartz40h
Water Resistance
T20 General Service Quartz Watch50m
Steel Navigator SSNAV Quartz60m
MSRP
T20 General Service Quartz Watch$249
Steel Navigator SSNAV Quartz$1,000

Full specifications

Case

7 specs
Category
Field
Pilot
Diameter
38mm
41mm
Thickness
12mm
11mm
Lug-to-Lug
42mm
48mm
Lug Width
18.5mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
60m

Crystal & Dial

3 specs
Crystal
Acrylic
Sapphire
Dial Color
CWC T20 General Service Quartz Watch
Black
Lume
Super-LumiNova
None

Movement

1 specs
Caliber
Ronda 515
Swiss High-Torque Quartz

Pricing

1 specs
MSRP
$249
$1,000

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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 Steel Navigator SSNAV Quartz

The Marathon Steel Navigator SSNAV Quartz is widely praised for its highly accurate Swiss Made ETA F06.412 PreciDrive movement, with stated accuracy of ±10 seconds per year, and its constant low-light visibility from self-illuminating tritium tubes. Owners find the watch comfortable and impressive, noting its 41mm sandblasted steel case with an asymmetrical design, bi-directional GMT bezel with excellent action, sapphire crystal, and 100m water resistance with a screw-down crown. On balance, owners and reviewers rate the Marathon Steel Navigator SSNAV Quartz highly for its robust tool watch design and exceptional accuracy at its price point.

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