Which is cheaper, the Grand Seiko SBGK007 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 $7,300 for the Grand Seiko SBGK007 — a $6,480 gap before any retailer discounting.

Which is bigger, the Grand Seiko SBGK007 or the William Wood International Association of Fire?

The William Wood International Association of Fire wears larger at 41mm versus 39mm for the Grand Seiko SBGK007 — a 2mm difference across the dial.

Which has better water resistance, the Grand Seiko SBGK007 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 SBGK007.

Which has a longer power reserve, the Grand Seiko SBGK007 or the William Wood International Association of Fire?

The Grand Seiko SBGK007 carries a 72-hour power reserve against 40 hours on the William Wood International Association of Fire.

What movement does the Grand Seiko SBGK007 run compared to the William Wood International Association of Fire?

The Grand Seiko SBGK007 runs a manual caliber (9S63), while the William Wood International Association of Fire runs a automatic (Seiko NH35).

Side by side

Grand Seiko SBGK007vsWilliam Wood International Association of Fire

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

Grand Seiko SBGK007

sbgk007g

MSRP $7,300

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

14 of 29 specs differ

Diameter

SBGK00739mm

International Association of Fire41mm

Power Reserve

SBGK00772h

International Association of Fire40h

Water Resistance

SBGK00730m

International Association of Fire100m

MSRP

SBGK007$7,300

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

9S63

Seiko NH35

Type

Manual

Automatic

Power Reserve

72h

40h

Pricing

1 specs

MSRP

$7,300

$820

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