Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsZelos Helica

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
Helica
ZelosHelica
MSRP $499

At a glance

11 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
Helica39mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
Helica40h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
Helica100m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
Helica$499

Full specifications

Case

5 specs
Diameter
41mm
39mm
Thickness
12mm
10.5mm
Lug-to-Lug
47mm
39mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
39 - Wave MOP
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Ronda 517
Miyota 9015
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$604
$499

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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.

Zelos Helica

Owners widely praise the Zelos Helica for its stunning, often color-shifting dials, with specific mentions of the MoP, slate grey, 'Steel Blue', and red opal variants being particularly captivating and artful. The 39mm case size is noted as fitting well on smaller wrists, and the overall build quality and finishing for the price are frequently highlighted as impressive, with one owner calling it "a lot of watch for the price." Some owners appreciate the novel bracelet designs and full lume dials, while others find the bracelet and clasp edges sharp or the clasp lacking on-the-fly adjustment. Opinions on the date window are mixed, with one owner disliking it. The Zelos Helica Moonphase was considered cluttered by one owner, and its $1K USD price point was felt to be steep by another, though popular variants sold out rapidly. Overall, owners rate the Zelos Helica highly for its striking dial designs and impressive value proposition.

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