Side by side

CWC 6BB-WRvsGrand Seiko SBGN027

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

6BB-WR
CWC6BB-WR
MSRP $1,875
SBGN027
Grand SeikoSBGN027
MSRP $3,700

At a glance

11 of 29 specs differ
Diameter
6BB-WR42mm
SBGN02739mm
Power Reserve
6BB-WR40h
SBGN02740h
Water Resistance
6BB-WR100m
SBGN027200m
MSRP
6BB-WR$1,875
SBGN027$3,700

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
42mm
39mm
Thickness
14.9mm
12.3mm
Lug-to-Lug
49mm
45.9mm
Lug Width
20mm
19mm
Water Resistance
100m
200m

Crystal & Dial

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

Movement

2 specs
Caliber
Sellita SW510
9F86
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$1,875
$3,700

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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 SBGN027

Owners widely praise the Grand Seiko SBGN027 for its exceptional Zaratsu polishing, compact 39mm size, and versatile monochrome aesthetic, noting its thin profile and suitability as a grab-and-go watch. The 9F quartz movement delivers highly accurate timekeeping, with one owner reporting +/- 10 seconds per year. However, some find the lume limited, the bracelet lacks micro-adjustments, and the GMT hand can be easily mistaken for the minute hand. One owner reported a black index on the bezel disappearing after a couple of months. On balance, owners rate the Grand Seiko SBGN027 highly for its premium finishing and accurate HAQ GMT movement in a wearable size.

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