Which is cheaper, the Spinnaker Challenger Automatic or the William Wood International Association of Fire?

At MSRP the Spinnaker Challenger Automatic is the cheaper of the two at $289, against $820 for the William Wood International Association of Fire — a $531 gap before any retailer discounting.

Which is bigger, the Spinnaker Challenger Automatic or the William Wood International Association of Fire?

The Spinnaker Challenger Automatic 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 Challenger Automatic or the William Wood International Association of Fire?

The Spinnaker Challenger Automatic is rated to 200m versus 100m for the William Wood International Association of Fire.

What movement does the Spinnaker Challenger Automatic run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the Spinnaker Challenger Automatic uses the SII NH35A and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

Spinnaker Challenger AutomaticvsWilliam Wood International Association of Fire

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

Spinnaker Challenger Automatic

challenger-automatic-depth-blue-sp-5159-11

MSRP $289

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

9 of 29 specs differ

Diameter

Challenger Automatic42mm

International Association of Fire41mm

Power Reserve

Challenger Automatic40h

International Association of Fire40h

Water Resistance

Challenger Automatic200m

International Association of Fire100m

MSRP

Challenger Automatic$289

International Association of Fire$820

Full specifications

Case

5 specs

Diameter

42mm

41mm

Thickness

19mm

15mm

Lug-to-Lug

49.5mm

49mm

Lug Width

22mm

20mm

Water Resistance

200m

100m

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Blue

Standard

Movement

1 specs

Caliber

SII NH35A

Seiko NH35

Pricing

1 specs

MSRP

$289

$820

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