Which is bigger, the Hemel Sky Racer Mechanical or the Redux Zero-Hour?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 39mm for the Redux Zero-Hour — a 4mm difference across the dial.

Which has better water resistance, the Hemel Sky Racer Mechanical or the Redux Zero-Hour?

The Redux Zero-Hour is rated to 200m versus 50m for the Hemel Sky Racer Mechanical.

Which has a longer power reserve, the Hemel Sky Racer Mechanical or the Redux Zero-Hour?

The Redux Zero-Hour carries a 41-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Hemel Sky Racer Mechanical run compared to the Redux Zero-Hour?

The Hemel Sky Racer Mechanical runs a manual caliber (Seagull ST19), while the Redux Zero-Hour runs a automatic (Seiko NH35).

Side by side

Hemel Sky Racer MechanicalvsRedux Zero-Hour

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

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

Redux Zero-Hour

the-courg-watch-zero-hour-39mm

At a glance

11 of 29 specs differ

Diameter

Sky Racer Mechanical43mm

Zero-Hour39mm

Power Reserve

Sky Racer Mechanical40h

Zero-Hour41h

Water Resistance

Sky Racer Mechanical50m

Zero-Hour200m

MSRP

Sky Racer Mechanical$550

Zero-Hour—

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Crystal

Domed Sapphire

Sapphire

Movement

3 specs

Caliber

Seagull ST19

Seiko NH35

Type

Manual

Automatic

Power Reserve

40h

41h

Pricing

1 specs

MSRP

$550

—

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