Which is cheaper, the Seestern S424 Full Lume Pilot or the Sheffield 1A 40mm?

At MSRP the Sheffield 1A 40mm is the cheaper of the two at $228, against $299 for the Seestern S424 Full Lume Pilot — a $71 gap before any retailer discounting.

Which is bigger, the Seestern S424 Full Lume Pilot or the Sheffield 1A 40mm?

The Sheffield 1A 40mm 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 Sheffield 1A 40mm?

The Sheffield 1A 40mm 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 Sheffield 1A 40mm?

The Seestern S424 Full Lume Pilot carries a 41-hour power reserve against 40 hours on the Sheffield 1A 40mm.

What movement does the Seestern S424 Full Lume Pilot run compared to the Sheffield 1A 40mm?

Both watches run automatic movements — the Seestern S424 Full Lume Pilot uses the Seiko NH35A and the Sheffield 1A 40mm uses the Seiko NH35.

Side by side

Seestern S424 Full Lume PilotvsSheffield 1A 40mm

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

Add a watch

Seestern S424 Full Lume Pilot

S424 V1

MSRP $299

Sheffield 1A 40mm

allsport-1-auto

MSRP $228

At a glance

15 of 29 specs differ

Diameter

S424 Full Lume Pilot38mm

1A 40mm40mm

Power Reserve

S424 Full Lume Pilot41h

1A 40mm40h

Water Resistance

S424 Full Lume Pilot50m

1A 40mm200m

MSRP

S424 Full Lume Pilot$299

1A 40mm$228

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

Black

—

Lume

Full lume

None

Movement

5 specs

Caliber

Seiko NH35A

Seiko NH35

Beat Rate

21,600 vph

28,800 vph

Power Reserve

41h

40h

Jewels

Complications

GMT

None

Pricing

1 specs

MSRP

$299

$228

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Seestern S424 Full Lume PilotvsSheffield 1A 40mm

At a glance

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