Side by side

CWC T20 General Service Quartz WatchvsGruppo Gamma Field III GMT Date

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
Field III GMT Date
Gruppo GammaField III GMT Date
MSRP $459

At a glance

14 of 29 specs differ
Diameter
T20 General Service Quartz Watch38mm
Field III GMT Date40mm
Power Reserve
T20 General Service Quartz Watch40h
Field III GMT Date41h
Water Resistance
T20 General Service Quartz Watch50m
Field III GMT Date200m
MSRP
T20 General Service Quartz Watch$249
Field III GMT Date$459

Full specifications

Case

6 specs
Category
Field
GMT
Diameter
38mm
40mm
Thickness
12mm
14mm
Lug-to-Lug
42mm
48.5mm
Lug Width
18.5mm
22mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
Crystal
Acrylic
Sapphire
AR Coating
Inner
Yes
Dial Color
CWC T20 General Service Quartz Watch
Black

Movement

4 specs
Caliber
Ronda 515
Seiko Instruments NH38A
Type
Quartz
Automatic
Power Reserve
40h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$249
$459

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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.

Gruppo Gamma Field III GMT Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.

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