Side by side

Citizen Series 8 831vsLongines CONQUEST

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
CONQUEST
LonginesCONQUEST
MSRP $2,400

At a glance

18 of 29 specs differ
Diameter
Series 8 83140mm
CONQUEST41mm
Power Reserve
Series 8 83142h
CONQUEST72h
Water Resistance
Series 8 831100m
CONQUEST100m
MSRP
Series 8 831$1,095
CONQUEST$2,400

Full specifications

Case

6 specs
Diameter
40mm
41mm
Thickness
12mm
10.9mm
Lug-to-Lug
46mm
49.1mm
Lug Width
20mm
21mm
Finish
Brushed and polished
Caseback
Solid
Screw-down and transparent with sapphire crystal case back

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Both sides
Indices
Applied
Applied indexes
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
9051
L888.5
Beat Rate
28,800 vph
25,200 vph
Power Reserve
42h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$1,095
$2,400

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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.

Longines CONQUEST

Owners widely praise the Longines Conquest for its exceptional finishing, versatile design, and strong value, with many highlighting its smooth winding action and comfortable wearability. Reviewers and owners alike note the bracelet's lack of micro-adjustment as a common drawback, and some find the polished surfaces prone to scratches. Accuracy figures range from -2s/d to -6s/d, and the power reserve is 72 hours. On balance, owners and reviewers rate the Longines Conquest highly for its blend of elegance and sportiness at an accessible price point.

From video reviewers

The dial's eye-catching sunray finish and elegant design are consistently praised. The bracelet's refinement and perceived lack of quality are noted as a weakness. Reviewers disagree on the bracelet's quality, with one comparing it favorably to a Tudor Jubilee while another found it lacking.

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