Which is cheaper, the Seestern S424 Full Lume Pilot or the Hemel Sky Racer Mechanical?

At MSRP the Seestern S424 Full Lume Pilot is the cheaper of the two at $299, against $550 for the Hemel Sky Racer Mechanical — a $251 gap before any retailer discounting.

Which is bigger, the Seestern S424 Full Lume Pilot or the Hemel Sky Racer Mechanical?

The Hemel Sky Racer Mechanical wears larger at 43mm versus 38mm for the Seestern S424 Full Lume Pilot — a 5mm difference across the dial.

Which has a longer power reserve, the Seestern S424 Full Lume Pilot or the Hemel Sky Racer Mechanical?

The Seestern S424 Full Lume Pilot carries a 41-hour power reserve against 40 hours on the Hemel Sky Racer Mechanical.

What movement does the Seestern S424 Full Lume Pilot run compared to the Hemel Sky Racer Mechanical?

The Seestern S424 Full Lume Pilot runs a automatic caliber (Seiko NH35A), while the Hemel Sky Racer Mechanical runs a manual (Seagull ST19).

Side by side

Seestern S424 Full Lume PilotvsHemel Sky Racer Mechanical

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

Seestern S424 Full Lume Pilot

S424 V1

MSRP $299

Hemel Sky Racer Mechanical

HF37MNB

MSRP $550

At a glance

14 of 29 specs differ

Diameter

S424 Full Lume Pilot38mm

Sky Racer Mechanical43mm

Power Reserve

S424 Full Lume Pilot41h

Sky Racer Mechanical40h

Water Resistance

S424 Full Lume Pilot50m

Sky Racer Mechanical50m

MSRP

S424 Full Lume Pilot$299

Sky Racer Mechanical$550

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Lume

Full lume

None

Movement

6 specs

Caliber

Seiko NH35A

Seagull ST19

Type

Automatic

Manual

Beat Rate

21,600 vph

28,800 vph

Power Reserve

41h

40h

Jewels

Complications

GMT

None

Pricing

1 specs

MSRP

$299

$550

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