Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsSeiko Presage Classic Series

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
Presage Classic Series
SeikoPresage Classic Series
MSRP $950

At a glance

15 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
Presage Classic Series36mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
Presage Classic Series72h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
Presage Classic Series100m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
Presage Classic Series$950

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
41mm
36mm
Thickness
12mm
12.5mm
Lug-to-Lug
47mm
41.4mm
Lug Width
20mm
18mm
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Black
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
Ronda 517
6R51
Type
Quartz
Automatic
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$604
$950

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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.

Seiko Presage Classic Series

The Seiko Presage Classic Series is widely praised for its sublime dial and hand finishing, with textured dials inspired by silk and elegantly curved hands. Owners and reviewers highlight the value proposition under $1,000, the comfortable wearability due to case proportions and slim appearance, and the robust 100m water resistance on several models. The 72-hour power reserve from the 6R51 or 6R55 automatic movements is a consistent positive note. However, one owner criticizes the pin and collar bracelet system as awful, and the 24-hour subdial is noted as potentially annoying by another. Accuracy figures for the 6R55 movement range from +25/-15 seconds per day to within -15/+25 seconds per day. On balance, owners and reviewers rate the Seiko Presage Classic Series highly for its exquisite dial work and strong value at its price point.

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