Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsNivada Grenchen Super Antarctic 35mm Automatic

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
Super Antarctic 35mm Automatic
Nivada GrenchenSuper Antarctic 35mm Automatic
MSRP $945

At a glance

17 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
Super Antarctic 35mm Automatic35mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
Super Antarctic 35mm Automatic36h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
Super Antarctic 35mm Automatic100m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
Super Antarctic 35mm Automatic$945

Full specifications

Case

8 specs
Category
Diver
Sport
Diameter
41mm
35mm
Thickness
12mm
10.1mm
Lug-to-Lug
47mm
41.9mm
Lug Width
20mm
18mm
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
100m
Caseback
Solid
Engraved

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Black

Movement

6 specs
Caliber
Ronda 517
Sellita SW200
Type
Quartz
Automatic
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
36h
Jewels
25
18
Complications
None
GMT

Pricing

1 specs
MSRP
$604
$945

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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.

Nivada Grenchen Super Antarctic 35mm Automatic

The Nivada Grenchen Super Antarctic 35mm Automatic is praised as a fantastic time-only release with excellent legibility due to its large indices and hands, and a comfortable 38mm case. Reviewers highlight its vintage-accurate 10.1mm thinness and 200m water resistance. An owner reports accuracy gains of +6 to +9 seconds per day, and one reviewer notes the "cream" lume color appears too yellow for faux patina. Overall, owners and reviewers rate the Nivada Grenchen Super Antarctic 35mm Automatic highly for its comfortable size and excellent legibility at its price point.

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