CWC 6BB-WRvsHamilton Khaki Aviation Pilot Pioneer Mechanical 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 Khaki Aviation Pilot Pioneer Mechanical Chrono at true scale

Khaki Aviation Pilot Pioneer Mechanical Chrono

Diameter

42mm

40mm

Lug-to-Lug

49mm

lowest

50mm

Thickness

14.9mm

14.3mm

lowest

Water Resistance

100m

100m

Power Reserve

n/a

60h

MSRP

$1,875

lowest

$2,445

Movement

Sellita SW510

Hamilton H-51

Case

5 specs
Category
Chronograph
Pilot
Diameter
42mm
40mm
Thickness
14.9mm
14.35mm
Lug-to-Lug
49mm
50mm
Lug Width
20mm
22mm

Crystal & Dial

1 specs
Dial Color
CWC 6BB-WR
Blue

Movement

3 specs
Caliber
Sellita SW510
Hamilton H-51
Type
Automatic
Manual
Power Reserve
0h
60h

Pricing

1 specs
MSRP
$1,875
$2,445
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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 6BB-WR for its legible matte black dial, strong lume, and crisp chronograph operation, with one user stating they would choose it over modern Rolex watches. Reviewers note the Sellita SW510 BH b automatic movement kept time within COSC range in testing, and the screw-down crown and pushers inspire confidence. Some owners find the 14.9mm thickness and 80g weight make it wear large, and the cam-lever movement lacks the satisfying feel of a column wheel, while fixed bars limit strap choices. Overall, owners and reviewers rate the CWC 6BB-WR highly for its robust build and pilot chronograph functionality at its price point.

Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

The Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono is widely praised for its authentic military design, attractive dial execution, and intriguing asymmetrical case. Owners and reviewers alike highlight the satisfying manual winding action and the finely brushed case finishing. Some owners note the watch's value proposition. Accuracy figures reported range from +5 to +7 seconds per day. The watch features a 40mm case. Caveats include the mineral crystal, which some prefer to be sapphire, and the lume, which is described as weak by several sources. The included strap is frequently criticized for being stiff, uncomfortable, or too long, with many preferring it on a NATO strap. The "Old Radium" lume choice is noted as potentially humorous given historical context, and one reviewer disliked the "Mechanical" text on the dial.

From video reviewers

The vintage-inspired design referencing a 1970s RAF model is a shared strength. Reviewers did not reach a consensus on any weaknesses or specific points of disagreement.

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