CWC (Cabot Watch Company) 6BB-WRvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition
The measurements
Sized up.
Catalogue photos are all shot at the same flattering size. These aren't: every case below shares one millimetre scale.

6BB-WR

Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition
Diameter
42mm
42.5mm
Lug-to-Lug
49mm
lowest
50mm
Thickness
14.9mm
lowest
15.1mm
Water Resistance
100m
100m
Power Reserve
n/a
45h
MSRP
$2,858
lowest
$3,000
Movement
Sellita SW510
Seiko 8R46
Case
3 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsWhat people say
Owners + reviewers, side by side.
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
The Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition is praised for its well-executed heritage inspiration, clean dial, and balanced design, with its in-house caliber 8R48 noted as a solid movement. Owners appreciate the Zaratsu polishing and the column wheel and vertical clutch on the 8R48 movement, considering it good value. Some find the date wheel deep-set and the bracelet lacking micro-adjustments. The 42.5mm x 15.1mm case size may be large for some wrists. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition highly for its heritage design and solid in-house movement.
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