Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsSunrex 321

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

CWC RN Quartz Divers Watch Mk.2, Matte Top

Owners widely praise the CWC RN Quartz Divers Watch Mk.2, Matte Top for its excellent matte case finishing, precise seconds hand alignment, and dial reminiscent of vintage military watches. The Mk.2 upgrades, including a sapphire crystal, improved lume, and a precise 120-click bezel described as perfection with no play, are consistently highlighted as significant improvements over earlier versions. One owner noted the quartz movement gained 8 seconds over several months. Overall, owners rate the CWC RN Quartz Divers Watch Mk.2, Matte Top highly for its solid construction, military significance, and terrific value.

Sunrex 321

The compact 37mm case size is a strength. The watch offers versatility with included FKM rubber and leather straps.

At a glance

12 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
32138.6mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top
321
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
321100m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
321$600

Full specifications

Case

7 specs
Category
Diver
Diameter
41mm
38.6mm
Thickness
0mm
14mm
Lug-to-Lug
47mm
43.5mm
Lug Width
20mm
0mm
Material
Stainless Steel
Aluminum
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Ronda 517
Epson VS76A
Type
Quartz
Solar

Pricing

1 specs
MSRP
$604
$600
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