Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsHELM Miyako

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

RN Quartz Divers Watch Mk.2, Matte Top
CWCRN Quartz Divers Watch Mk.2, Matte Top
MSRP $604
Miyako
HELMMiyako
MSRP $375

At a glance

11 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
Miyako40mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
Miyako42h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
Miyako200m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
Miyako$375

Full specifications

Case

4 specs
Diameter
41mm
40mm
Thickness
12mm
13.75mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal Shape
Flat
Double-Domed
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Gray

Movement

4 specs
Caliber
Ronda 517
Type
Quartz
Automatic
Power Reserve
40h
42h
Jewels
25
24

Pricing

1 specs
MSRP
$604
$375

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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 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.

HELM Miyako

HELM Miyako owners widely praise its exceptional value and quality, with multiple reports highlighting its stunning appearance and dial details. The watch is noted for its excellent accuracy, with figures around +1.5 to +2 seconds per day. One owner found the HELM Miyako to be tough and versatile, fitting well on a 6.6-inch wrist. Overall, owners consider the HELM Miyako an amazing value and a great watch, worth the wait for its availability.

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