Side by side

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

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

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 Maestro Auto Chrono

Owners widely praise the Hamilton Jazzmaster Maestro Auto Chrono for its dramatic quality and attention to detail, with its versatile design suitable for dressing up or down. Timekeeping is generally good, with one owner reporting gains of no more than 5 seconds per day, and another noting their 7750-based movement has kept time within 10 seconds per day even after 15 years without service. Some owners find the lack of a second hand a dealbreaker, and the 45mm size may not fit comfortably under sleeves. Concerns exist regarding potentially high maintenance costs and intervals. Overall, owners rate the Hamilton Jazzmaster Maestro Auto Chrono highly for its bulletproof build and classic, dressy appearance at an accessible price point.

At a glance

10 of 29 specs differ
Diameter
RN Automatic Divers Watch Mk.241mm
Jazzmaster Maestro Auto Chrono41mm
Power Reserve
RN Automatic Divers Watch Mk.240h
Jazzmaster Maestro Auto Chrono60h
Water Resistance
RN Automatic Divers Watch Mk.2300m
Jazzmaster Maestro Auto Chrono100m
MSRP
RN Automatic Divers Watch Mk.2$1,249
Jazzmaster Maestro Auto Chrono$2,275

Full specifications

Case

5 specs
Category
Diver
Chronograph
Thickness
12mm
15.1mm
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)
Silver
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW200-1
H-21
Power Reserve
40h
60h

Pricing

1 specs
MSRP
$1,249
$2,275
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