CWC (Cabot Watch Company) 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.

CWC (Cabot Watch Company) 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

$2,858

$2,445

lowest

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
n/a
Blue

Movement

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

Pricing

1 specs
MSRP
$2,858
$2,445
Keep your wishlist and collection together in the appExplore the app

Reviews

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

CWC (Cabot Watch Company) 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 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.