Which is cheaper, the Spinnaker Spence 300 or the William Wood International Association of Fire?

At MSRP the Spinnaker Spence 300 is the cheaper of the two at $650, against $820 for the William Wood International Association of Fire — a $170 gap before any retailer discounting.

Which is bigger, the Spinnaker Spence 300 or the William Wood International Association of Fire?

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

Which has better water resistance, the Spinnaker Spence 300 or the William Wood International Association of Fire?

The Spinnaker Spence 300 is rated to 300m versus 100m for the William Wood International Association of Fire.

What movement does the Spinnaker Spence 300 run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the Spinnaker Spence 300 uses the SII NH35A and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

Spinnaker Spence 300vsWilliam Wood International Association of Fire

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

Spinnaker Spence 300

spence-300-automatic-aquamarine-sp-5097-aa

MSRP $650

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

8 of 29 specs differ

Diameter

Spence 30040mm

International Association of Fire41mm

Power Reserve

Spence 30040h

International Association of Fire40h

Water Resistance

Spence 300300m

International Association of Fire100m

MSRP

Spence 300$650

International Association of Fire$820

Full specifications

Case

4 specs

Diameter

40mm

41mm

Thickness

11.5mm

15mm

Lug-to-Lug

48mm

49mm

Water Resistance

300m

100m

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Aquamarine

Standard

Movement

1 specs

Caliber

SII NH35A

Seiko NH35

Pricing

1 specs

MSRP

$650

$820

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