Side by side

CWC 6BB-WRvsGrand Seiko SBGM221

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

6BB-WR
CWC6BB-WR
MSRP $1,875
SBGM221
Grand SeikoSBGM221
MSRP $5,400

At a glance

11 of 29 specs differ
Diameter
6BB-WR42mm
SBGM22139.5mm
Power Reserve
6BB-WR40h
SBGM22172h
Water Resistance
6BB-WR100m
SBGM22130m
MSRP
6BB-WR$1,875
SBGM221$5,400

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
42mm
39.5mm
Thickness
14.9mm
13.7mm
Lug-to-Lug
49mm
46.9mm
Lug Width
20mm
19mm
Water Resistance
100m
30m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
CWC 6BB-WR
Black

Movement

2 specs
Caliber
Sellita SW510
9S66
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,875
$5,400

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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.

Grand Seiko SBGM221

Grand Seiko SBGM221 is widely praised for its exceptional dial finish, highly polished hands and indices, and elegant design. Owners consistently highlight the stunning craftsmanship, with specific mention of the up to 11 hand-polished facets on its rectangular markers. The reliable 9S66 movement is noted for its 72-hour power reserve and true GMT functionality, tested beyond Chronometer specifications. Some enthusiasts desire a bidirectional 24-hour bezel, which the Grand Seiko SBGM221 lacks, and its 13.7mm thickness and 19mm lug width are noted as potential limitations. On balance, owners rate the Grand Seiko SBGM221 highly for its exquisite finishing and elegant, comfortable design.

From video reviewers

The SBGM221 is praised for its value within the Grand Seiko lineup. The lug width is cited as a weakness.

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