Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsGrand Seiko SBGH341

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
SBGH341
Grand SeikoSBGH341
MSRP $7,900

At a glance

12 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
SBGH34138mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
SBGH34155h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
SBGH341100m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
SBGH341$7,900

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
41mm
38mm
Thickness
12mm
12.9mm
Lug-to-Lug
47mm
44.7mm
Material
Stainless Steel
Titanium
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

3 specs
Caliber
Ronda 517
9S85
Type
Quartz
Automatic
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$604
$7,900

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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.

Grand Seiko SBGH341

The Grand Seiko SBGH341 is noted for its vintage-friendly 38mm size and high-intensity titanium construction. Reviewers highlight its bezel-less design and textured light pink dial. The hi-beat automatic calibre 9S85 movement offers a claimed accuracy of +5 to -3 seconds per day. One concern raised is that the highly polished Zaratsu case finish may be prone to scratching. The titanium bracelet lacks micro-adjustment. Overall, reviewers praise the Grand Seiko SBGH341 for its refined 38mm sizing and lightweight titanium build.

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