Side by side

CWC 6BB-WRvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

6BB-WR
CWC6BB-WR
MSRP $1,875

At a glance

11 of 29 specs differ
Diameter
6BB-WR42mm
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition42.5mm
Power Reserve
6BB-WR40h
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition45h
Water Resistance
6BB-WR100m
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition100m
MSRP
6BB-WR$1,875
Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition$3,000

Full specifications

Case

3 specs
Diameter
42mm
42.5mm
Thickness
14.9mm
15.1mm
Lug-to-Lug
49mm
50mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
CWC 6BB-WR
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW510
8R46
Power Reserve
40h
45h
Jewels
25
34

Pricing

1 specs
MSRP
$1,875
$3,000

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What people say

Owners + reviewers, side by side

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

CWC 6BB-WR

The CWC 6BB-WR is widely praised for its legible matte black dial, strong lume, and crisp chronograph operation. Owners and reviewers note its military heritage and rugged, confidence-inspiring build with a screw-down crown and pushers. The Sellita SW510 BH b automatic movement kept time within COSC range in testing. However, its 14.9mm thickness and 80g weight make it wear large, and the cam-lever movement lacks the satisfying click of a column wheel. Fixed bars limit strap options. On balance, owners and reviewers rate the CWC 6BB-WR highly for its legible dial and robust pilot chronograph design at its price point.

Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

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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