Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsGrand Seiko SLGC009

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
SLGC009
Grand SeikoSLGC009
MSRP $16,900

At a glance

13 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
SLGC00943mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
SLGC00972h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
SLGC009200m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
SLGC009$16,900

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
41mm
43mm
Thickness
12mm
15.6mm
Lug-to-Lug
47mm
50mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
300m
200m

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
9SC5
Type
Quartz
Automatic
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$604
$16,900

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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 SLGC009

Owners widely report the Grand Seiko SLGC009 is perceived as "big" but "not obnoxious," with some finding its bold, aggressive, and futuristic design appealing while others deem it too daring for the brand. Opinions are split on its aesthetic, with comparisons ranging from a G-Shock to the Cybertruck. One owner noted a desire for a more offset clasp. The movement is praised by some, though the dial color and hour indexes drew criticism from one voice. The Grand Seiko SLGC009's rumored discontinuation is speculated to potentially aid in value retention. On balance, owners are divided on the Grand Seiko SLGC009's polarizing design, with its movement and wearability being points of discussion.

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