Side by side

Citizen Series 8 831vsSeiko 5 Sports Field series

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
5 Sports Field series
Seiko5 Sports Field series
MSRP $315

At a glance

12 of 29 specs differ
Diameter
Series 8 83140mm
5 Sports Field series39.4mm
Power Reserve
Series 8 83142h
5 Sports Field series41h
Water Resistance
Series 8 831100m
5 Sports Field series100m
MSRP
Series 8 831$1,095
5 Sports Field series$315

Full specifications

Case

3 specs
Diameter
40mm
39.4mm
Thickness
12mm
13.2mm
Lug-to-Lug
46mm
48.1mm

Crystal & Dial

5 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
AR Coating
Underside
Inner
Dial Color
Green
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
9051
4R36
Power Reserve
42h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$1,095
$315

Follow this matchup

Get a note when Citizen Series 8 831 vs Seiko 5 Sports Field series gets more votes, a community discussion, or a price drop. No account needed.

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.

Seiko 5 Sports Field series

The Seiko 5 Sports Field series is praised for its value, offering an accessible explorer-style watch with a GMT complication and excellent legibility thanks to LumiBrite on the dial and bezel. The watches feature a 41mm stainless steel case, 100m water resistance, and are powered by either the 4R36 or 4R34 movement, both with a 41-hour power reserve. One reviewer notes the inclusion of a compass bezel with a lumed pearl and fully lumed Arabic numerals on the dial for the non-GMT models. Overall, reviewers consider the Seiko 5 Sports Field GMT models good value under 500 euros.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.