Which is cheaper, the Seiko 5KX or the William Wood Go You Big Red Fire Engine Watch?

At MSRP the Seiko 5KX is the cheaper of the two at $350, against $895 for the William Wood Go You Big Red Fire Engine Watch — a $545 gap before any retailer discounting.

Which is bigger, the Seiko 5KX or the William Wood Go You Big Red Fire Engine Watch?

The Seiko 5KX wears larger at 42.5mm versus 41mm for the William Wood Go You Big Red Fire Engine Watch — a 1.5mm difference across the dial.

Which has better water resistance, the Seiko 5KX or the William Wood Go You Big Red Fire Engine Watch?

The William Wood Go You Big Red Fire Engine Watch is rated to 100m versus 10m for the Seiko 5KX.

Which has a longer power reserve, the Seiko 5KX or the William Wood Go You Big Red Fire Engine Watch?

The Seiko 5KX carries a 41-hour power reserve against 40 hours on the William Wood Go You Big Red Fire Engine Watch.

What movement does the Seiko 5KX run compared to the William Wood Go You Big Red Fire Engine Watch?

Both watches run automatic movements — the Seiko 5KX uses the 4R36 and the William Wood Go You Big Red Fire Engine Watch uses the Seiko NH35.

Side by side

Seiko 5KXvsWilliam Wood Go You Big Red Fire Engine Watch

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

Seiko 5KX

srpd51

MSRP $350

William Wood Go You Big Red Fire Engine Watch

goyoubigredfireenginewatch

MSRP $895

At a glance

12 of 29 specs differ

Diameter

5KX42.5mm

Go You Big Red Fire Engine Watch41mm

Power Reserve

5KX41h

Go You Big Red Fire Engine Watch40h

Water Resistance

5KX100m

Go You Big Red Fire Engine Watch100m

MSRP

5KX$350

Go You Big Red Fire Engine Watch$895

Full specifications

Case

5 specs

Diameter

42.5mm

41mm

Thickness

13.4mm

15mm

Lug-to-Lug

46mm

49mm

Lug Width

22mm

20mm

Material

Stainless Steel

316L Stainless Steel

Crystal & Dial

3 specs

Crystal

Hardlex

Domed Sapphire

Dial Color

Black

Red

Lume

LumiBrite on hands and index(es)

None

Movement

3 specs

Caliber

4R36

Seiko NH35

Power Reserve

41h

40h

Jewels

Pricing

1 specs

MSRP

$350

$895

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