Side by side

CWC T20 General Service Quartz WatchvsLum-Tec Solar Marine

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
Solar Marine
Lum-TecSolar Marine
MSRP $463

At a glance

13 of 29 specs differ
Diameter
T20 General Service Quartz Watch38mm
Solar Marine39mm
Power Reserve
T20 General Service Quartz Watch40h
Solar Marine40h
Water Resistance
T20 General Service Quartz Watch50m
Solar Marine300m
MSRP
T20 General Service Quartz Watch$249
Solar Marine$463

Full specifications

Case

7 specs
Category
Field
Diver
Diameter
38mm
39mm
Thickness
12mm
10.7mm
Lug-to-Lug
42mm
43.5mm
Lug Width
18.5mm
20mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Water Resistance
50m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
Ronda 515
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$249
$463

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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.

Lum-Tec Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

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