Which is cheaper, the Spinnaker Bradner GMT or the William Wood International Association of Fire?

At MSRP the Spinnaker Bradner GMT is the cheaper of the two at $299, against $820 for the William Wood International Association of Fire — a $521 gap before any retailer discounting.

Which is bigger, the Spinnaker Bradner GMT or the William Wood International Association of Fire?

The Spinnaker Bradner GMT wears larger at 42mm versus 41mm for the William Wood International Association of Fire — a 1mm difference across the dial.

Which has better water resistance, the Spinnaker Bradner GMT or the William Wood International Association of Fire?

The Spinnaker Bradner GMT is rated to 180m versus 100m for the William Wood International Association of Fire.

What movement does the Spinnaker Bradner GMT run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the Spinnaker Bradner GMT uses the Seiko NH34A and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

Spinnaker Bradner GMTvsWilliam Wood International Association of Fire

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

Spinnaker Bradner GMT

bradner-gmt-automatic-abbott-brown-sp-5121-22

MSRP $299

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

9 of 29 specs differ

Diameter

Bradner GMT42mm

International Association of Fire41mm

Power Reserve

Bradner GMT40h

International Association of Fire40h

Water Resistance

Bradner GMT180m

International Association of Fire100m

MSRP

Bradner GMT$299

International Association of Fire$820

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Brown

Standard

Movement

1 specs

Caliber

Seiko NH34A

Seiko NH35

Pricing

1 specs

MSRP

$299

$820

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