Side by side

CWC T20 General Service Quartz WatchvsSeiko Diamond Collection

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
Diamond Collection
SeikoDiamond Collection
MSRP $525

At a glance

12 of 29 specs differ
Diameter
T20 General Service Quartz Watch38mm
Diamond Collection32mm
Power Reserve
T20 General Service Quartz Watch40h
Diamond Collection40h
Water Resistance
T20 General Service Quartz Watch50m
Diamond Collection100m
MSRP
T20 General Service Quartz Watch$249
Diamond Collection$525

Full specifications

Case

6 specs
Category
Field
Dress
Diameter
38mm
32mm
Thickness
12mm
8.2mm
Lug-to-Lug
42mm
39mm
Lug Width
18.5mm
15mm
Water Resistance
50m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Ronda 515
6N32
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$249
$525

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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.

Seiko Diamond Collection

Owners widely praise the Seiko Diamond Collection for its stunning beauty, particularly highlighting the 14 diamonds and the captivating mother-of-pearl dial. Its 33.2mm case size, 100m water resistance, sapphire crystal, and lightweight build are appreciated features contributing to comfortable wear. Some owners find the dial detail is best appreciated in direct sunlight. The gold plating on some models may show fading from desk work over time. Overall, owners rate the Seiko Diamond Collection highly for its dazzling aesthetics and comfortable, well-finished design at its price point.

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