Which has better water resistance, the Tudor Black Bay or the William Wood International Association of Fire?

The Tudor Black Bay is rated to 200m versus 100m for the William Wood International Association of Fire.

Which has a longer power reserve, the Tudor Black Bay or the William Wood International Association of Fire?

The Tudor Black Bay carries a 70-hour power reserve against 40 hours on the William Wood International Association of Fire.

What movement does the Tudor Black Bay run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the Tudor Black Bay uses the MT5602 and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

Tudor Black BayvsWilliam Wood International Association of Fire

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

Tudor Black Bay

m79230g-0001

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

12 of 29 specs differ

Diameter

Black Bay41mm

International Association of Fire41mm

Power Reserve

Black Bay70h

International Association of Fire40h

Water Resistance

Black Bay200m

International Association of Fire100m

MSRP

Black Bay—

International Association of Fire$820

Full specifications

Case

7 specs

Thickness

14.7mm

15mm

Lug-to-Lug

46mm

49mm

Lug Width

22mm

20mm

Material

Stainless Steel

316L Stainless Steel

Finish

Polished + Satin

Brushed and polished

Water Resistance

200m

100m

Caseback

Engraved

Solid

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Standard

Movement

2 specs

Caliber

MT5602

Seiko NH35

Power Reserve

70h

40h

Pricing

1 specs

MSRP

—

$820

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