CWC 6BB-WRvsHamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

6BB-WR

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 specsCrystal & Dial
1 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
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.
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.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.








