Side by side

CWC T20 General Service Quartz WatchvsSpinnaker Dumas GMT

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
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

13 of 29 specs differ
Diameter
T20 General Service Quartz Watch38mm
Dumas GMT44mm
Power Reserve
T20 General Service Quartz Watch40h
Dumas GMT40h
Water Resistance
T20 General Service Quartz Watch50m
Dumas GMT300m
MSRP
T20 General Service Quartz Watch$249
Dumas GMT$399

Full specifications

Case

7 specs
Category
Field
GMT
Diameter
38mm
44mm
Thickness
12mm
15mm
Lug-to-Lug
42mm
48mm
Lug Width
18.5mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
Ronda 515
Seiko NH34A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$249
$399

Follow this matchup

Get a note when CWC T20 General Service Quartz Watch vs Spinnaker Dumas GMT gets more votes, a community discussion, or a price drop. No account needed.

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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.