Which is cheaper, the Grand Seiko SBGW306 or the Yema Flygraf Bi-Compax French Air Force?

At MSRP the Yema Flygraf Bi-Compax French Air Force is the cheaper of the two at $490, against $17,900 for the Grand Seiko SBGW306 — a $17,410 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGW306 or the Yema Flygraf Bi-Compax French Air Force?

The Yema Flygraf Bi-Compax French Air Force wears larger at 40mm versus 36.5mm for the Grand Seiko SBGW306 — a 3.5mm difference across the dial.

Which has a longer power reserve, the Grand Seiko SBGW306 or the Yema Flygraf Bi-Compax French Air Force?

The Grand Seiko SBGW306 carries a 72-hour power reserve against 40 hours on the Yema Flygraf Bi-Compax French Air Force.

What movement does the Grand Seiko SBGW306 run compared to the Yema Flygraf Bi-Compax French Air Force?

The Grand Seiko SBGW306 runs a manual caliber (9S64), while the Yema Flygraf Bi-Compax French Air Force runs a quartz.

Side by side

Grand Seiko SBGW306vsYema Flygraf Bi-Compax French Air Force

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

Grand Seiko SBGW306

sbgw306j

MSRP $17,900

Yema Flygraf Bi-Compax French Air Force

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

MSRP $490

At a glance

11 of 29 specs differ

Diameter

SBGW30636.5mm

Flygraf Bi-Compax French Air Force40mm

Power Reserve

SBGW30672h

Flygraf Bi-Compax French Air Force40h

Water Resistance

SBGW306100m

Flygraf Bi-Compax French Air Force100m

MSRP

SBGW306$17,900

Flygraf Bi-Compax French Air Force$490

Full specifications

Case

6 specs

Crystal & Dial

1 specs

AR Coating

Yes

Inner

Movement

3 specs

Caliber

9S64

—

Type

Manual

Quartz

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$17,900

$490

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