Side by side

Citizen Series 8 870vsTissot PRX

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
PRX
TissotPRX
MSRP $2,150

At a glance

12 of 29 specs differ
Diameter
Series 8 87039mm
PRX42mm
Power Reserve
Series 8 87042h
PRX68h
Water Resistance
Series 8 870100m
PRX100m
MSRP
Series 8 870$1,095
PRX$2,150

Full specifications

Case

5 specs
Category
Sport
Chronograph
Diameter
39mm
42mm
Thickness
12mm
14.54mm
Lug-to-Lug
46mm
41.5mm
Lug Width
11mm
13mm

Crystal & Dial

4 specs
AR Coating
Underside
Yes
Dial Color
Green
Graded green
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
9051
Valjoux A05.H31
Power Reserve
42h
68h

Pricing

1 specs
MSRP
$1,095
$2,150

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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.

Tissot PRX

Owners and reviewers widely praise the Tissot PRX for its exceptional finishing and value, with many noting it punches well above its price point. The well-constructed case and bracelet are frequently highlighted, as is its comfortable wearing profile and attractive sunburst dial. Some owners find the hype around the PRX overblown, and a few have noted quality control issues with specific models, such as a loose chrono hand or dust on the hands. The lack of micro-adjustment on the bracelet is a recurring minor criticism, and some reviewers suggest the dial hands could be less shiny or that the quartz movement could be more accurate. Overall, owners and reviewers rate the Tissot PRX highly for its impressive finishing and integrated bracelet design at an accessible price.

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