Side by side

CWC T20 General Service Quartz WatchvsYema Navygraf Marine Nationale CMM.10

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
Navygraf Marine Nationale CMM.10
YemaNavygraf Marine Nationale CMM.10
MSRP $1,614
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.

Yema Navygraf Marine Nationale CMM.10

The Yema Navygraf Marine Nationale CMM.10 is lauded for its vibrant blue dial and bezel, a slimmer 39mm case at 11mm thick, and its in-house CMM.10 caliber offering a 70-hour power reserve. Reviewers highlight the clean, legible dial, blue sapphire bezel insert, and competitive pricing under $2,000. However, the steel bracelet's clasp is noted by multiple sources as rattly and feeling slightly cheap, with one reviewer finding it difficult to open. Accuracy is reported within a range of +5/-3 seconds per day. Overall, reviewers praise the Yema Navygraf Marine Nationale CMM.10 for its attractive design and value proposition, tempered by minor concerns regarding the bracelet clasp.

At a glance

13 of 29 specs differ
Diameter
T20 General Service Quartz Watch38mm
Navygraf Marine Nationale CMM.1039mm
Power Reserve
T20 General Service Quartz Watch40h
Navygraf Marine Nationale CMM.1040h
Water Resistance
T20 General Service Quartz Watch50m
Navygraf Marine Nationale CMM.10100m
MSRP
T20 General Service Quartz Watch$249
Navygraf Marine Nationale CMM.10$1,614

Full specifications

Case

7 specs
Category
Field
Diver
Diameter
38mm
39mm
Thickness
12mm
11mm
Lug-to-Lug
42mm
46mm
Lug Width
18.5mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Ronda 515
Yema CMM.10
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$249
$1,614
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