Side by side

CWC T20 General Service Quartz WatchvsLongines MASTER 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
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $3,100

At a glance

22 of 29 specs differ
Diameter
T20 General Service Quartz Watch38mm
MASTER COLLECTION42mm
Power Reserve
T20 General Service Quartz Watch40h
MASTER COLLECTION
Water Resistance
T20 General Service Quartz Watch50m
MASTER COLLECTION30m
MSRP
T20 General Service Quartz Watch$249
MASTER COLLECTION$3,100

Full specifications

Case

8 specs
Category
Field
Diameter
38mm
42mm
Thickness
12mm
9.64mm
Lug-to-Lug
42mm
49.6mm
Lug Width
18.5mm
21mm
Finish
Brushed and polished
Water Resistance
50m
30m
Caseback
Solid

Crystal & Dial

6 specs
Crystal
Acrylic
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
CWC T20 General Service Quartz Watch
Silver
Indices
Applied
Lume
Super-LumiNova
None

Movement

7 specs
Caliber
Ronda 515
L888.5
Type
Quartz
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$249
$3,100

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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.

Longines MASTER COLLECTION

Owners and reviewers widely praise the Longines Master Collection for its excellent fit and finish, heritage-inspired design with features like Breguet numerals and leaf hands, and the value it offers, particularly for complications like chronographs and annual calendars. Specific models are noted for their beautiful dial execution, creamy white barleycorn or blue starburst finishes, and practical complications. Some owners find the Master Collection thin and dressy, appreciating its vintage aesthetic. However, drawbacks mentioned include a subdial potentially obscuring numerals, a bracelet lacking micro-adjustments causing fit issues for some, and a case finishing described as homogenous by one owner. The 30m water resistance on annual calendar models is considered light, and the crown and pushers on the moon phase chronograph are described as uninspiring. One owner reported a broken moon phase setting mechanism.

From video reviewers

The diamond hour markers are a notable strength. The movement accuracy was not discussed.

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