Side by side

CWC 6BB-WRvsHamilton Jazzmaster Maestro Auto Chrono

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

6BB-WR
CWC6BB-WR
MSRP $1,875
Jazzmaster Maestro Auto Chrono
HamiltonJazzmaster Maestro Auto Chrono
MSRP $2,275

At a glance

8 of 29 specs differ
Diameter
6BB-WR42mm
Jazzmaster Maestro Auto Chrono41mm
Power Reserve
6BB-WR40h
Jazzmaster Maestro Auto Chrono60h
Water Resistance
6BB-WR100m
Jazzmaster Maestro Auto Chrono100m
MSRP
6BB-WR$1,875
Jazzmaster Maestro Auto Chrono$2,275

Full specifications

Case

4 specs
Diameter
42mm
41mm
Thickness
14.9mm
15.1mm
Lug-to-Lug
49mm
46mm
Lug Width
20mm
22mm

Crystal & Dial

1 specs
Dial Color
CWC 6BB-WR
Silver

Movement

2 specs
Caliber
Sellita SW510
H-21
Power Reserve
40h
60h

Pricing

1 specs
MSRP
$1,875
$2,275

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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 6BB-WR

The CWC 6BB-WR is widely praised for its legible matte black dial, strong lume, and crisp chronograph operation. Owners and reviewers note its military heritage and rugged, confidence-inspiring build with a screw-down crown and pushers. The Sellita SW510 BH b automatic movement kept time within COSC range in testing. However, its 14.9mm thickness and 80g weight make it wear large, and the cam-lever movement lacks the satisfying click of a column wheel. Fixed bars limit strap options. On balance, owners and reviewers rate the CWC 6BB-WR highly for its legible dial and robust pilot chronograph design 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.

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