Which is cheaper, the Formex Reef 42 mm 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 $2,414 for the Formex Reef 42 mm — a $1,594 gap before any retailer discounting.

Which is bigger, the Formex Reef 42 mm or the William Wood International Association of Fire?

The Formex Reef 42 mm 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 Formex Reef 42 mm or the William Wood International Association of Fire?

The Formex Reef 42 mm is rated to 300m versus 100m for the William Wood International Association of Fire.

Which has a longer power reserve, the Formex Reef 42 mm or the William Wood International Association of Fire?

The Formex Reef 42 mm carries a 56-hour power reserve against 40 hours on the William Wood International Association of Fire.

What movement does the Formex Reef 42 mm run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the Formex Reef 42 mm uses the Sellita SW300-1 and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

Formex Reef 42 mmvsWilliam Wood International Association of Fire

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

Formex Reef 42 mm

reef-42mm-automatic-cosc-300m-black

MSRP $2,414

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

12 of 29 specs differ

Diameter

Reef 42 mm42mm

International Association of Fire41mm

Power Reserve

Reef 42 mm56h

International Association of Fire40h

Water Resistance

Reef 42 mm300m

International Association of Fire100m

MSRP

Reef 42 mm$2,414

International Association of Fire$820

Full specifications

Case

6 specs

Diameter

42mm

41mm

Thickness

11.4mm

15mm

Lug-to-Lug

47mm

49mm

Lug Width

22mm

20mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

300m

100m

Crystal & Dial

3 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Standard

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Sellita SW300-1

Seiko NH35

Power Reserve

56h

40h

Pricing

1 specs

MSRP

$2,414

$820

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