Side by side

CWC T20 General Service Quartz WatchvsPhoibos Wave Master 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
Wave Master GMT
PhoibosWave Master GMT
MSRP $399

At a glance

12 of 29 specs differ
Diameter
T20 General Service Quartz Watch38mm
Wave Master GMT39.5mm
Power Reserve
T20 General Service Quartz Watch40h
Wave Master GMT40h
Water Resistance
T20 General Service Quartz Watch50m
Wave Master GMT200m
MSRP
T20 General Service Quartz Watch$249
Wave Master GMT$399

Full specifications

Case

6 specs
Category
Field
GMT
Diameter
38mm
39.5mm
Thickness
12mm
12.7mm
Lug-to-Lug
42mm
46mm
Lug Width
18.5mm
20mm
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

2 specs
Caliber
Ronda 515
SII NH34
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$249
$399

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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.

Phoibos Wave Master GMT

The Phoibos Wave Master GMT is widely praised for its attractive design, comfortable 20mm tapering bracelet, and wearability on a 7" wrist, with owners finding it a strong value proposition at $220. Some minor finishing flaws, such as slightly crooked markers and off-center dial numbers, are noted by one owner, while accuracy averages around 5-10 seconds over two weeks. Overall, owners rate the Phoibos Wave Master GMT highly for its distinctive design and comfortable wearability at its price point.

From video reviewers

The Wave Master GMT's notable feature is its 200M water resistance. A drawback is the rattle of the bracelet. Reviewers disagree on the watch's value, with one reviewer noting its significant weight for a 39.5mm case diameter, but the other reviewer doesn't mention any specific weaknesses or trade-offs.

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