Which is cheaper, the Seestern S424 Full Lume Pilot or the Yema Flygraf Bi-Compax French Air Force?

At MSRP the Seestern S424 Full Lume Pilot is the cheaper of the two at $299, against $490 for the Yema Flygraf Bi-Compax French Air Force — a $191 gap before any retailer discounting.

Which is bigger, the Seestern S424 Full Lume Pilot or the Yema Flygraf Bi-Compax French Air Force?

The Yema Flygraf Bi-Compax French Air Force 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 Yema Flygraf Bi-Compax French Air Force?

The Yema Flygraf Bi-Compax French Air Force 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 Yema Flygraf Bi-Compax French Air Force?

The Seestern S424 Full Lume Pilot carries a 41-hour power reserve against 40 hours on the Yema Flygraf Bi-Compax French Air Force.

What movement does the Seestern S424 Full Lume Pilot run compared to the Yema Flygraf Bi-Compax French Air Force?

The Seestern S424 Full Lume Pilot runs a automatic caliber (Seiko NH35A), while the Yema Flygraf Bi-Compax French Air Force runs a quartz.

Side by side

Seestern S424 Full Lume PilotvsYema Flygraf Bi-Compax French Air Force

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

Yema Flygraf Bi-Compax French Air Force

yema-flygraf-bi-compax-french-air-force-ymhf1582aa-gg

MSRP $490

At a glance

14 of 29 specs differ

Diameter

S424 Full Lume Pilot38mm

Flygraf Bi-Compax French Air Force40mm

Power Reserve

S424 Full Lume Pilot41h

Flygraf Bi-Compax French Air Force40h

Water Resistance

S424 Full Lume Pilot50m

Flygraf Bi-Compax French Air Force100m

MSRP

S424 Full Lume Pilot$299

Flygraf Bi-Compax French Air Force$490

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Lume

Full lume

None

Movement

6 specs

Caliber

Seiko NH35A

—

Type

Automatic

Quartz

Beat Rate

21,600 vph

28,800 vph

Power Reserve

41h

40h

Jewels

Complications

GMT

None

Pricing

1 specs

MSRP

$299

$490

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