Side by side

Citizen Series 8 831vsZelos Skyraider 40 Skeleton

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
Skyraider 40 Skeleton
ZelosSkyraider 40 Skeleton
MSRP $1,999

At a glance

11 of 29 specs differ
Diameter
Series 8 83140mm
Skyraider 40 Skeleton40mm
Power Reserve
Series 8 83142h
Skyraider 40 Skeleton40h
Water Resistance
Series 8 831100m
Skyraider 40 Skeleton50m
MSRP
Series 8 831$1,095
Skyraider 40 Skeleton$1,999

Full specifications

Case

5 specs
Category
Sport
Skeleton
Thickness
12mm
8.2mm
Lug-to-Lug
46mm
40mm
Material
Stainless Steel
Titanium
Water Resistance
100m
50m

Crystal & Dial

2 specs
AR Coating
Underside
Inner
Dial Color
Green
Ti Damascus LE

Movement

3 specs
Caliber
9051
Swiss Skeletonised Marvin 700
Type
Automatic
Manual
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$1,095
$1,999

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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.

Zelos Skyraider 40 Skeleton

The Zelos Skyraider 40 Skeleton is noted for its skeletonized dial and the use of BGW9 and C3 Super-LumiNova for legibility. It is powered by a manual-wind ETA 6498 movement, offering a 44-hour power reserve. On balance, the Zelos Skyraider 40 Skeleton is seen as a cool-looking option, though availability is a factor.

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