Side by side

CWC 6BB-WRvsGrand Seiko SLGA015

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

6BB-WR
CWC6BB-WR
MSRP $1,875
SLGA015
Grand SeikoSLGA015
MSRP $12,600

At a glance

13 of 29 specs differ
Diameter
6BB-WR42mm
SLGA01543.8mm
Power Reserve
6BB-WR40h
SLGA015120h
Water Resistance
6BB-WR100m
SLGA015200m
MSRP
6BB-WR$1,875
SLGA015$12,600

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
42mm
43.8mm
Thickness
14.9mm
13.8mm
Lug-to-Lug
49mm
51.5mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW510
9RA5
Type
Automatic
Spring Drive
Power Reserve
40h
120h

Pricing

1 specs
MSRP
$1,875
$12,600

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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 SLGA015

The Grand Seiko SLGA015 is widely praised for its exceptional accuracy, with owners reporting performance far exceeding the stated 10 seconds per month. The Spring Drive movement's smooth sweep and 5-day power reserve are also noted strengths, as is the lighter titanium case construction. However, some owners find the bracelet extension non-intuitive, and one noted the clasp scratched easily. The watch features a nature-inspired, wave-like dial texture. Overall, owners rate the Grand Seiko SLGA015 highly for its impressive accuracy and quality construction.

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