Side by side

Citizen Series 8 870vsCWC 6BB-WR

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

Series 8 870
CitizenSeries 8 870
MSRP $1,095
6BB-WR
CWC6BB-WR
MSRP $1,875

At a glance

10 of 29 specs differ
Diameter
Series 8 87039mm
6BB-WR42mm
Power Reserve
Series 8 87042h
6BB-WR40h
Water Resistance
Series 8 870100m
6BB-WR100m
MSRP
Series 8 870$1,095
6BB-WR$1,875

Full specifications

Case

5 specs
Category
Sport
Chronograph
Diameter
39mm
42mm
Thickness
12mm
14.9mm
Lug-to-Lug
46mm
49mm
Lug Width
11mm
20mm

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Green
CWC 6BB-WR

Movement

2 specs
Caliber
9051
Sellita SW510
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$1,095
$1,875

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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.

Citizen Series 8 870

The Citizen Series 8 870 is praised for its compelling value proposition and modern Japanese design with a sporty edge. Reviewers note its 40mm steel case, glossy dial with applied markers, and the in-house Calibre 0950 automatic movement offering 50 hours of power reserve and enhanced magnetic resistance. The flat sapphire crystal is noted to collect fingerprints, and the solid caseback omits a view of the movement. The limited edition variant features a 40.8mm black DLC-coated case, a carbon fiber dial, and the 0950 movement regulated to -5/+10 seconds per day. Overall, the Citizen Series 8 870 is viewed as a strong offering for its blend of design and features.

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.

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