CWC 6BB-WRvsHamilton Jazzmaster Auto Chrono

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

CWC 6BB-WR at true scale

6BB-WR

Hamilton Jazzmaster Auto Chrono at true scale

Jazzmaster Auto Chrono

Diameter

42mm

42mm

Lug-to-Lug

49mm

n/a

Thickness

14.9mm

14.8mm

lowest

Water Resistance

100m

100m

Power Reserve

n/a

60h

MSRP

$2,858

$1,845

lowest

Movement

Sellita SW510

Hamilton H-31

Case

3 specs
Thickness
14.9mm
14.83mm
Lug-to-Lug
49mm
n/a
Lug Width
20mm
22mm

Crystal & Dial

1 specs
Dial Color
n/a
Black

Movement

2 specs
Caliber
Sellita SW510
Hamilton H-31
Power Reserve
0h
60h

Pricing

1 specs
MSRP
$2,858
$1,845
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

CWC 6BB-WR

Owners widely praise the CWC (Cabot Watch Company) 6BB-WR for its faithful pilot chronograph design and modern durability, with reviewers noting its crisp and confidence-inspiring chronograph operation. Some find the 14.9mm thickness and 80g weight make the 42mm case wear large, though the 49mm lug-to-lug aids wearability, and the cam-lever chronograph action is considered less satisfying than a column wheel, with fixed bars limiting strap options. Overall, owners and reviewers rate the CWC (Cabot Watch Company) 6BB-WR highly for its practical, affordable, and serviceable tool watch nature.

Hamilton Jazzmaster Auto Chrono

Owners widely praise the Hamilton Jazzmaster Auto Chrono for its excellent value, blending classy, sporty, and elegant design with a classic 42mm case featuring a mix of polished and brushed finishes. Reviewers and owners consistently note its great timekeeping, with figures ranging from +0.5 to +3 seconds per day, and appreciate the fit and finish that exceeds its price point. The dial is often highlighted for its detail, with applied markers, and some owners specifically praise the reverse panda configuration. However, the lume is frequently described as underwhelming or fading quickly, and the original strap or steel bracelet is sometimes found stiff or uncomfortable, leading some to replace it. One owner noted the internal bezel's functionality requires unscrewing a crown and lacks lume. On balance, owners rate the Hamilton Jazzmaster Auto Chrono highly for its exceptional value and well-executed design, despite minor criticisms regarding lume and strap comfort.

From video reviewers

The watch features a quality automatic chronograph movement. The date setting mechanism, requiring a specialized pusher tool, is a notable drawback. Reviewers disagreed on whether the watch competes effectively with luxury alternatives at its price point.

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