What movement does the William Wood International Association of Fire run compared to the Zelos Helica?

Both watches run automatic movements — the William Wood International Association of Fire uses the Seiko NH35 and the Zelos Helica uses the Miyota 9015.

Side by side

William Wood International Association of FirevsZelos Helica

Q: Which is cheaper, the William Wood International Association of Fire or the Zelos Helica?

At MSRP the Zelos Helica is the cheaper of the two at $499, against $820 for the William Wood International Association of Fire — a $321 gap before any retailer discounting.

Q: Which is bigger, the William Wood International Association of Fire or the Zelos Helica?

The William Wood International Association of Fire wears larger at 41mm versus 39mm for the Zelos Helica — a 2mm difference across the dial.

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

William Wood International Association of Fire

william-wood-iafc

MSRP $820

Zelos Helica

helica-wave-mop

MSRP $499

At a glance

7 of 29 specs differ

Diameter

International Association of Fire41mm

Helica39mm

Power Reserve

International Association of Fire40h

Helica40h

Water Resistance

International Association of Fire100m

Helica100m

MSRP

International Association of Fire$820

Helica$499

Full specifications

Case

3 specs

Diameter

41mm

39mm

Thickness

15mm

10.5mm

Lug-to-Lug

49mm

39mm

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Standard

39 - Wave MOP

Movement

1 specs

Caliber

Seiko NH35

Miyota 9015

Pricing

1 specs

MSRP

$820

$499

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