Which is cheaper, the Grand Seiko SBGY007 or the William Wood International Association of Fire?

At MSRP the William Wood International Association of Fire is the cheaper of the two at $820, against $8,900 for the Grand Seiko SBGY007 — a $8,080 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGY007 or the William Wood International Association of Fire?

The William Wood International Association of Fire wears larger at 41mm versus 38.5mm for the Grand Seiko SBGY007 — a 2.5mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGY007 or the William Wood International Association of Fire?

The William Wood International Association of Fire is rated to 100m versus 30m for the Grand Seiko SBGY007.

Which has a longer power reserve, the Grand Seiko SBGY007 or the William Wood International Association of Fire?

The Grand Seiko SBGY007 carries a 72-hour power reserve against 40 hours on the William Wood International Association of Fire.

What movement does the Grand Seiko SBGY007 run compared to the William Wood International Association of Fire?

The Grand Seiko SBGY007 runs a spring drive caliber (9R31), while the William Wood International Association of Fire runs a automatic (Seiko NH35).

Side by side

Grand Seiko SBGY007vsWilliam Wood International Association of Fire

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

Grand Seiko SBGY007

sbgy007g

MSRP $8,900

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

14 of 29 specs differ

Diameter

SBGY00738.5mm

International Association of Fire41mm

Power Reserve

SBGY00772h

International Association of Fire40h

Water Resistance

SBGY00730m

International Association of Fire100m

MSRP

SBGY007$8,900

International Association of Fire$820

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Yes

Inner

Dial Color

Black

Standard

Movement

3 specs

Caliber

9R31

Seiko NH35

Type

Spring Drive

Automatic

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$8,900

$820

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