Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsSternglas Naos XS

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
Naos XS
SternglasNaos XS
MSRP $247

At a glance

13 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
Naos XS33mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
Naos XS
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
Naos XS50m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
Naos XS$247

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
41mm
33mm
Thickness
12mm
6mm
Lug-to-Lug
47mm
36mm
Lug Width
20mm
16mm
Water Resistance
300m
50m

Crystal & Dial

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

Movement

3 specs
Caliber
Ronda 517
Ronda 784
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$604
$247

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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.

Sternglas Naos XS

Owners widely praise the Sternglas Naos XS for its simple, awesome design, domed sapphire crystal, and clean hands, with one owner highlighting the beautiful blue mother-of-pearl dial and top-notch build quality on a special edition. It is recommended as a durable, refined daily wear watch for around $270, suitable for casual and formal occasions. However, one owner found the Sternglas Naos XS to have a cheap feel and a face resembling a toy, noting it wears smaller than expected, while another described the automatic movement as a bit noisy. On balance, owners rate the Sternglas Naos XS highly for its refined design and value, with specific praise for the mother-of-pearl dial on special editions.

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