Which is cheaper, the Bremont Supermarine 300M 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 $3,550 for the Bremont Supermarine 300M — a $2,730 gap before any retailer discounting.

Which is bigger, the Bremont Supermarine 300M or the William Wood International Association of Fire?

The William Wood International Association of Fire wears larger at 41mm versus 40mm for the Bremont Supermarine 300M — a 1mm difference across the dial.

Which has better water resistance, the Bremont Supermarine 300M or the William Wood International Association of Fire?

The Bremont Supermarine 300M is rated to 300m versus 100m for the William Wood International Association of Fire.

What movement does the Bremont Supermarine 300M run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the Bremont Supermarine 300M uses the BE-92AE and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

Bremont Supermarine 300MvsWilliam Wood International Association of Fire

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

Bremont Supermarine 300M

sm40-nd-ss-gn-b

MSRP $3,550

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

9 of 29 specs differ

Diameter

Supermarine 300M40mm

International Association of Fire41mm

Power Reserve

Supermarine 300M40h

International Association of Fire40h

Water Resistance

Supermarine 300M300m

International Association of Fire100m

MSRP

Supermarine 300M$3,550

International Association of Fire$820

Full specifications

Case

5 specs

Diameter

40mm

41mm

Thickness

12mm

15mm

Lug-to-Lug

—

49mm

Material

904L Stainless Steel

316L Stainless Steel

Water Resistance

300m

100m

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Green

Standard

Movement

1 specs

Caliber

BE-92AE

Seiko NH35

Pricing

1 specs

MSRP

$3,550

$820

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