Side by side

CWC RN81 Clearance Diver Automatic WatchvsHamilton 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 RN81 Clearance Diver Automatic Watch

Owners widely praise the CWC diver for its historical significance, build quality, and tool-watch nature, with many finding it comfortable and a go-to piece. Some owners appreciate the fixed springbars for NATO straps and the option of various case finishes. However, the CWC is frequently considered overpriced, with buyers paying a premium for the brand's history and reissue status, especially for the automatic version. The acrylic bezel's durability and the "faux patina" lume color are noted concerns for some. On balance, owners and reviewers find the CWC diver to be a well-built, historically significant tool watch, though many question its value proposition at its price point.

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
RN81 Clearance Diver Automatic Watch41mm
Jazzmaster Maestro Auto Chrono41mm
Power Reserve
RN81 Clearance Diver Automatic Watch40h
Jazzmaster Maestro Auto Chrono60h
Water Resistance
RN81 Clearance Diver Automatic Watch300m
Jazzmaster Maestro Auto Chrono100m
MSRP
RN81 Clearance Diver Automatic Watch$1,875
Jazzmaster Maestro Auto Chrono$2,275

Full specifications

Case

5 specs
Category
Diver
Chronograph
Thickness
12.7mm
15.1mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
22mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
CWC RN81 Clearance Diver Automatic Watch
Silver
Lume
Super-LumiNova
None

Movement

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

Pricing

1 specs
MSRP
$1,875
$2,275
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