Which is cheaper, the Citizen Series 8 831 or the Hemel Sky Racer Mechanical?

At MSRP the Hemel Sky Racer Mechanical is the cheaper of the two at $550, against $1,095 for the Citizen Series 8 831 — a $545 gap before any retailer discounting.

Which is bigger, the Citizen Series 8 831 or the Hemel Sky Racer Mechanical?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 40mm for the Citizen Series 8 831 — a 3mm difference across the dial.

Which has better water resistance, the Citizen Series 8 831 or the Hemel Sky Racer Mechanical?

The Citizen Series 8 831 is rated to 100m versus 50m for the Hemel Sky Racer Mechanical.

Which has a longer power reserve, the Citizen Series 8 831 or the Hemel Sky Racer Mechanical?

The Citizen Series 8 831 carries a 42-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Citizen Series 8 831 run compared to the Hemel Sky Racer Mechanical?

The Citizen Series 8 831 runs a automatic caliber (9051), while the Hemel Sky Racer Mechanical runs a manual (Seagull ST19).

Side by side

Citizen Series 8 831vsHemel Sky Racer Mechanical

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

Citizen Series 8 831

NB6050

MSRP $1,095

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

At a glance

13 of 29 specs differ

Diameter

Series 8 83140mm

Sky Racer Mechanical43mm

Power Reserve

Series 8 83142h

Sky Racer Mechanical40h

Water Resistance

Series 8 831100m

Sky Racer Mechanical50m

MSRP

Series 8 831$1,095

Sky Racer Mechanical$550

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Underside

Inner

Dial Color

Green

Black

Movement

3 specs

Caliber

9051

Seagull ST19

Type

Automatic

Manual

Power Reserve

42h

40h

Pricing

1 specs

MSRP

$1,095

$550

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Citizen Series 8 831vsHemel Sky Racer Mechanical

At a glance

Full specifications

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