Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsGrand Seiko SBGA413

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
SBGA413
Grand SeikoSBGA413
MSRP $7,200
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 SBGA413

Grand Seiko SBGA413 owners and reviewers widely praise its captivating dial, particularly its subtle artistry, and the mesmerizing Spring Drive movement's reliability and unparalleled mechanical accuracy, with some noting their Spring Drive watches run within half a second per day. The 40mm titanium case, featuring intricate geometries and a satin brush finish, is also highlighted, as are the Zaratsu-polished surfaces. Legibility is considered excellent, even with silver hands on the pink dial. On balance, owners and reviewers rate the Grand Seiko SBGA413 highly for its beautiful dial and the Spring Drive movement's accuracy and refinement.

At a glance

12 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
SBGA41340mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
SBGA41372h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
SBGA413100m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
SBGA413$7,200

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
41mm
40mm
Thickness
12mm
12.8mm
Lug Width
20mm
21mm
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
9R65
Type
Quartz
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$604
$7,200
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