Which is cheaper, the Seestern S424 Full Lume Pilot or the Spinnaker Cahill Automatic?

At MSRP the Seestern S424 Full Lume Pilot is the cheaper of the two at $299, against $350 for the Spinnaker Cahill Automatic — a $51 gap before any retailer discounting.

Which is bigger, the Seestern S424 Full Lume Pilot or the Spinnaker Cahill Automatic?

The Spinnaker Cahill Automatic wears larger at 42mm versus 38mm for the Seestern S424 Full Lume Pilot — a 4mm difference across the dial.

Which has better water resistance, the Seestern S424 Full Lume Pilot or the Spinnaker Cahill Automatic?

The Spinnaker Cahill Automatic is rated to 200m versus 50m for the Seestern S424 Full Lume Pilot.

Which has a longer power reserve, the Seestern S424 Full Lume Pilot or the Spinnaker Cahill Automatic?

The Seestern S424 Full Lume Pilot carries a 41-hour power reserve against 40 hours on the Spinnaker Cahill Automatic.

What movement does the Seestern S424 Full Lume Pilot run compared to the Spinnaker Cahill Automatic?

Both watches run automatic movements — the Seestern S424 Full Lume Pilot uses the Seiko NH35A and the Spinnaker Cahill Automatic uses the SII NH35A.

Side by side

Seestern S424 Full Lume PilotvsSpinnaker Cahill Automatic

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

Spinnaker Cahill Automatic

cahill-automatic-moss-green-sp-5064-02

MSRP $350

At a glance

14 of 29 specs differ

Diameter

S424 Full Lume Pilot38mm

Cahill Automatic42mm

Power Reserve

S424 Full Lume Pilot41h

Cahill Automatic40h

Water Resistance

S424 Full Lume Pilot50m

Cahill Automatic200m

MSRP

S424 Full Lume Pilot$299

Cahill Automatic$350

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Black

Green

Lume

Full lume

None

Movement

5 specs

Caliber

Seiko NH35A

SII NH35A

Beat Rate

21,600 vph

28,800 vph

Power Reserve

41h

40h

Jewels

Complications

GMT

None

Pricing

1 specs

MSRP

$299

$350

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