Which is cheaper, the Christopher Ward C63 Colchester 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 $1,615 for the Christopher Ward C63 Colchester — a $795 gap before any retailer discounting.

Which is bigger, the Christopher Ward C63 Colchester or the William Wood International Association of Fire?

The Christopher Ward C63 Colchester wears larger at 47.5mm versus 41mm for the William Wood International Association of Fire — a 6.5mm difference across the dial.

Which has better water resistance, the Christopher Ward C63 Colchester or the William Wood International Association of Fire?

The Christopher Ward C63 Colchester is rated to 150m versus 100m for the William Wood International Association of Fire.

Which has a longer power reserve, the Christopher Ward C63 Colchester or the William Wood International Association of Fire?

The William Wood International Association of Fire carries a 40-hour power reserve against 38 hours on the Christopher Ward C63 Colchester.

What movement does the Christopher Ward C63 Colchester run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the Christopher Ward C63 Colchester uses the SW200 and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

Christopher Ward C63 ColchestervsWilliam Wood International Association of Fire

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

Christopher Ward C63 Colchester

C63-41ADA3-C00C0-HK

MSRP $1,615

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

17 of 29 specs differ

Diameter

C63 Colchester47.5mm

International Association of Fire41mm

Power Reserve

C63 Colchester38h

International Association of Fire40h

Water Resistance

C63 Colchester150m

International Association of Fire100m

MSRP

C63 Colchester$1,615

International Association of Fire$820

Full specifications

Case

8 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Standard

Lume

SLN X1 BL C1

None

Movement

5 specs

Caliber

SW200

Seiko NH35

Beat Rate

4 vph

28,800 vph

Power Reserve

38h

40h

Jewels

Complications

Moonphase, Day-date, Date

None

Pricing

1 specs

MSRP

$1,615

$820

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