Which is cheaper, the Seestern S424 Full Lume Pilot or the Hemel HFC Mechanical Chronograph?

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

Which is bigger, the Seestern S424 Full Lume Pilot or the Hemel HFC Mechanical Chronograph?

The Hemel HFC Mechanical Chronograph wears larger at 40mm versus 38mm for the Seestern S424 Full Lume Pilot — a 2mm difference across the dial.

Which has better water resistance, the Seestern S424 Full Lume Pilot or the Hemel HFC Mechanical Chronograph?

The Hemel HFC Mechanical Chronograph is rated to 100m versus 50m for the Seestern S424 Full Lume Pilot.

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

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

What movement does the Seestern S424 Full Lume Pilot run compared to the Hemel HFC Mechanical Chronograph?

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

Side by side

Seestern S424 Full Lume PilotvsHemel HFC Mechanical Chronograph

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 HFC Mechanical Chronograph

the-airfoil

MSRP $550

At a glance

16 of 29 specs differ

Diameter

S424 Full Lume Pilot38mm

HFC Mechanical Chronograph40mm

Power Reserve

S424 Full Lume Pilot41h

HFC Mechanical Chronograph40h

Water Resistance

S424 Full Lume Pilot50m

HFC Mechanical Chronograph100m

MSRP

S424 Full Lume Pilot$299

HFC Mechanical Chronograph$550

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Airfoil (1970s British Pilot)

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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