Side by side

CWC RN Automatic Divers Watch Mk.2vsRolex Deepsea Challenge

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

RN Automatic Divers Watch Mk.2
CWCRN Automatic Divers Watch Mk.2
MSRP $1,249
Deepsea Challenge
RolexDeepsea Challenge
MSRP $29,100
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 Automatic Divers Watch Mk.2

Owners widely praise the CWC RN Diver for its build quality, comfortable wearability, and classic design with desirable brand heritage, suitable for diving. Some owners consider it a favorite, appreciating its case wear and aging tritium as a classic replacement for previous military issue watches. However, a common complaint across multiple sources is the fixed spring bars, which limit strap options, and some find the watch overpriced for its features, particularly when compared to other military-style watches or when noting specific branding text. One owner wishes CWC offered a smaller diver size. On balance, owners rate the CWC RN Diver highly for its utilitarian capabilities and historical connection, despite concerns about strap versatility and value.

Rolex Deepsea Challenge

The Rolex Deepsea Challenge is widely recognized as an engineering feat, showcasing Rolex's first all-titanium construction and extreme 11,000m water resistance. Owners and reviewers consistently describe the 50mm Rolex Deepsea Challenge as a massive, gigantic, and barely wearable "monster" of a watch, with some finding its size and proportions impractical and uncomfortable for extended wear. Reviewers note a crude, charred-like brushed finish on the titanium bracelet and dial printing with soft edges and inconsistent spacing, which falls short of the brand's usual high standards. On balance, owners and reviewers view the Rolex Deepsea Challenge as an outstanding technical achievement and a unique collectible piece, rather than a practical daily wearer.

At a glance

16 of 29 specs differ
Diameter
RN Automatic Divers Watch Mk.241mm
Deepsea Challenge50mm
Power Reserve
RN Automatic Divers Watch Mk.240h
Deepsea Challenge70h
Water Resistance
RN Automatic Divers Watch Mk.2300m
Deepsea Challenge1,000m
MSRP
RN Automatic Divers Watch Mk.2$1,249
Deepsea Challenge$29,100

Full specifications

Case

8 specs
Diameter
41mm
50mm
Thickness
12mm
9.5mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
Material
Stainless Steel
RLX Titanium
Finish
Brushed and polished
RLX titanium
Water Resistance
300m
1000m
Caseback
Solid
Monobloc middle case, screw-down case back and winding crown. Rolex Ringlock system case architecture with nitrogen-alloyed steel ring and helium escape valve

Crystal & Dial

4 specs
AR Coating
Inner
Dial Color
CWC RN Automatic Divers Watch Mk.2, Stainless Steel (RN300-MT AS120)
Black
Indices
Applied
Index
Lume
Super-LumiNova
Chromalight

Movement

3 specs
Caliber
Sellita SW200-1
3230
Power Reserve
40h
70h
Jewels
25
31

Pricing

1 specs
MSRP
$1,249
$29,100
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