Side by side

Citizen Series 8 831vsTissot PRX

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

Series 8 831
CitizenSeries 8 831
MSRP $1,095
PRX
TissotPRX
MSRP $850

At a glance

11 of 29 specs differ
Diameter
Series 8 83140mm
PRX40mm
Power Reserve
Series 8 83142h
PRX80h
Water Resistance
Series 8 831100m
PRX100m
MSRP
Series 8 831$1,095
PRX$850

Full specifications

Case

4 specs
Category
Sport
Dress
Thickness
12mm
10.93mm
Lug-to-Lug
46mm
39.5mm
Lug Width
20mm
12mm

Crystal & Dial

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

Movement

2 specs
Caliber
9051
Powermatic 80
Power Reserve
42h
80h

Pricing

1 specs
MSRP
$1,095
$850

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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 8 831

Owners widely praise the Citizen Series 8 831 for its finishing, with one owner noting it exceeded expectations. Reviewers highlight the textured Ice Blue dial and the bracelet's play of light, contributing to a comfortable and luxurious feel on the wrist. The watch features a 40mm ion-plated stainless steel case, a sapphire crystal, and 100 meters of water resistance. It is powered by the in-house Miyota Caliber 9051 automatic movement, which has a 42-hour power reserve and an accuracy range of -10 to +20 seconds per day. On balance, owners and reviewers rate the Citizen Series 8 831 highly for its impressive finishing and dial design at its price point.

From video reviewers

The case finishing, with its contrasting brushed and polished surfaces, is a notable strength. The 40mm case size and comfortable fit are also consistently mentioned. Reviewers did not reach a consensus on any weaknesses.

Tissot PRX

The Tissot PRX is widely praised for its exceptional finishing, comfortable wearability, and strong value proposition, with owners and reviewers highlighting its luxurious feel for the price. The integrated bracelet, often noted for its shine, finishing, and brushed surfaces with polished edges, is a significant draw, as is the watch's neo-vintage aesthetic and refined dial pattern. The slim case profile, measuring around 10.5mm to 11mm depending on the source, contributes to its comfortable daily wear, and the 100m water resistance is a practical feature. While one owner reported specific issues with a PRX Chronograph's hands and quality control after service, other sources focus on the Powermatic 80's reliable automatic movement and the overall joy of wearing the Tissot PRX. Some find sizing the bracelet challenging due to the lack of a micro-adjustment option.

From video reviewers

The Powermatic 80 movement with its 80-hour power reserve is consistently praised. The lume brightness is noted as a weakness. Reviewers disagree on the suitability of the lug-to-lug fit for smaller wrists.

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