Which is cheaper, the Fortis Stratoliner S-41 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 $5,450 for the Fortis Stratoliner S-41 — a $4,630 gap before any retailer discounting.

Which has better water resistance, the Fortis Stratoliner S-41 or the William Wood International Association of Fire?

The Fortis Stratoliner S-41 is rated to 200m versus 100m for the William Wood International Association of Fire.

Which has a longer power reserve, the Fortis Stratoliner S-41 or the William Wood International Association of Fire?

The Fortis Stratoliner S-41 carries a 60-hour power reserve against 40 hours on the William Wood International Association of Fire.

What movement does the Fortis Stratoliner S-41 run compared to the William Wood International Association of Fire?

Both watches run automatic movements — the Fortis Stratoliner S-41 uses the Manufacture Caliber WERK 17 and the William Wood International Association of Fire uses the Seiko NH35.

Side by side

Fortis Stratoliner S-41vsWilliam Wood International Association of Fire

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

Fortis Stratoliner S-41

S-41

MSRP $5,450

William Wood International Association of Fire

william-wood-iafc

MSRP $820

At a glance

12 of 29 specs differ

Diameter

Stratoliner S-4141mm

International Association of Fire41mm

Power Reserve

Stratoliner S-4160h

International Association of Fire40h

Water Resistance

Stratoliner S-41200m

International Association of Fire100m

MSRP

Stratoliner S-41$5,450

International Association of Fire$820

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

White

Standard

Movement

3 specs

Caliber

Manufacture Caliber WERK 17

Seiko NH35

Power Reserve

60h

40h

Jewels

Pricing

1 specs

MSRP

$5,450

$820

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