Which is cheaper, the Citizen Series 8 831 or the Lorier Hyperion SII?

At MSRP the Lorier Hyperion SII is the cheaper of the two at $699, against $1,095 for the Citizen Series 8 831 — a $396 gap before any retailer discounting.

Which is bigger, the Citizen Series 8 831 or the Lorier Hyperion SII?

The Citizen Series 8 831 wears larger at 40mm versus 39mm for the Lorier Hyperion SII — a 1mm difference across the dial.

Which has better water resistance, the Citizen Series 8 831 or the Lorier Hyperion SII?

The Lorier Hyperion SII is rated to 200m versus 100m for the Citizen Series 8 831.

Which has a longer power reserve, the Citizen Series 8 831 or the Lorier Hyperion SII?

The Citizen Series 8 831 carries a 42-hour power reserve against 40 hours on the Lorier Hyperion SII.

Side by side

Citizen Series 8 831vsLorier Hyperion SII

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

Citizen Series 8 831

NB6050

MSRP $1,095

Lorier Hyperion SII

hyperion-sii

MSRP $699

At a glance

10 of 29 specs differ

Diameter

Series 8 83140mm

Hyperion SII39mm

Power Reserve

Series 8 83142h

Hyperion SII40h

Water Resistance

Series 8 831100m

Hyperion SII200m

MSRP

Series 8 831$1,095

Hyperion SII$699

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Underside

Inner

Dial Color

Green

Blue

Movement

2 specs

Caliber

9051

—

Power Reserve

42h

40h

Pricing

1 specs

MSRP

$1,095

$699

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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.

Owners widely praise the Lorier Hyperion SII for its vintage aesthetic, glossy black dial, and tasteful text. One owner notes the Miyota 9075 movement and calls it the best GMT under $800. Criticisms include a small GMT hand that is difficult to spot, and one user found the winding action not smooth with significant crown resistance. Overall, owners rate the Lorier Hyperion SII highly for its vintage aesthetic and value.

Fratello

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