Side by side

CWC RN Automatic Divers Watch Mk.2vsHamilton Jazzmaster Seaview Auto Chrono

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
Jazzmaster Seaview Auto Chrono
HamiltonJazzmaster Seaview Auto Chrono
MSRP $2,045
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.

Hamilton Jazzmaster Seaview Auto Chrono

Owners report that after seven years of daily wear, the Hamilton Jazzmaster Seaview Auto Chrono began gaining approximately 15 seconds per day, requiring a service. Post-service, accuracy improved to +/- 4 seconds per day, and a case replacement was included in a $220 plus tax service cost. One owner finds the Hamilton Jazzmaster Seaview Auto Chrono attractive with its sapphire bezel, clean dial, and polished/brushed finishing. On balance, owners value the watch's aesthetics and finishing, though one owner considers its retail price too high for a quartz model.

At a glance

10 of 29 specs differ
Diameter
RN Automatic Divers Watch Mk.241mm
Jazzmaster Seaview Auto Chrono44mm
Power Reserve
RN Automatic Divers Watch Mk.240h
Jazzmaster Seaview Auto Chrono40h
Water Resistance
RN Automatic Divers Watch Mk.2300m
Jazzmaster Seaview Auto Chrono100m
MSRP
RN Automatic Divers Watch Mk.2$1,249
Jazzmaster Seaview Auto Chrono$2,045

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
41mm
44mm
Thickness
12mm
14.95mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
22mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
CWC RN Automatic Divers Watch Mk.2, Stainless Steel (RN300-MT AS120)
Black
Lume
Super-LumiNova
None

Movement

1 specs
Caliber
Sellita SW200-1

Pricing

1 specs
MSRP
$1,249
$2,045
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