Side by side

CWC 6BB-WRvsHamilton Jazzmaster 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 Auto Chrono
HamiltonJazzmaster Auto Chrono
MSRP $2,095

At a glance

7 of 29 specs differ
Diameter
6BB-WR42mm
Jazzmaster Auto Chrono42mm
Power Reserve
6BB-WR40h
Jazzmaster Auto Chrono60h
Water Resistance
6BB-WR100m
Jazzmaster Auto Chrono100m
MSRP
6BB-WR$1,875
Jazzmaster Auto Chrono$2,095

Full specifications

Case

3 specs
Thickness
14.9mm
15.23mm
Lug-to-Lug
49mm
46mm
Lug Width
20mm
22mm

Crystal & Dial

1 specs
Dial Color
CWC 6BB-WR
Black

Movement

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

Pricing

1 specs
MSRP
$1,875
$2,095

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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 Auto Chrono

Owners widely praise the Hamilton Jazzmaster Auto Chrono for its value and dressy yet substantial look. The H-31 or adapted 7753 movement is noted, alongside a 60-hour power reserve. Some owners prefer a 3-6-9 subdial layout or a smaller case size, and the movement's thickness makes it unsuitable for those seeking a slim watch. On balance, owners rate the Hamilton Jazzmaster Auto Chrono highly for its value and refined aesthetic.

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