Which is cheaper, the Seiko Prospex SPEEDTIMER or the TAG Heuer Carrera?

At MSRP the Seiko Prospex SPEEDTIMER is the cheaper of the two at $3,000, against $6,550 for the TAG Heuer Carrera — a $3,550 gap before any retailer discounting.

Which is bigger, the Seiko Prospex SPEEDTIMER or the TAG Heuer Carrera?

The Seiko Prospex SPEEDTIMER wears larger at 42.5mm versus 42mm for the TAG Heuer Carrera — a 0.5mm difference across the dial.

Which has better water resistance, the Seiko Prospex SPEEDTIMER or the TAG Heuer Carrera?

The TAG Heuer Carrera is rated to 100m versus 10m for the Seiko Prospex SPEEDTIMER.

Which has a longer power reserve, the Seiko Prospex SPEEDTIMER or the TAG Heuer Carrera?

The TAG Heuer Carrera carries a 80-hour power reserve against 45 hours on the Seiko Prospex SPEEDTIMER.

What movement does the Seiko Prospex SPEEDTIMER run compared to the TAG Heuer Carrera?

Both watches run automatic movements — the Seiko Prospex SPEEDTIMER uses the 8R46 and the TAG Heuer Carrera uses the TH20-00.

Side by side

Seiko Prospex SPEEDTIMERvsTAG Heuer Carrera

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

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Seiko Prospex SPEEDTIMER

srq037j1

MSRP $3,000

TAG Heuer Carrera

CBN2012.FC6483

MSRP $6,550

At a glance

17 of 29 specs differ

Diameter

Prospex SPEEDTIMER42.5mm

Carrera42mm

Power Reserve

Prospex SPEEDTIMER45h

Carrera80h

Water Resistance

Prospex SPEEDTIMER100m

Carrera100m

MSRP

Prospex SPEEDTIMER$3,000

Carrera$6,550

Full specifications

Case

6 specs

Diameter

42.5mm

42mm

Thickness

15.1mm

—

Lug-to-Lug

50mm

—

Lug Width

20mm

—

Finish

Brushed and polished

Steel Fine-Brushed/Polished

Caseback

Solid

—

Crystal & Dial

6 specs

Crystal

Sapphire

—

Crystal Shape

Curved

—

AR Coating

Anti-reflective coating on inner surface

—

Dial Color

Black

Grey

Indices

Applied

—

Lume

LumiBrite on hands and index(es)

None

Movement

4 specs

Caliber

8R46

TH20-00

Power Reserve

45h

80h

Jewels

Complications

None

Chronograph, Date

Pricing

1 specs

MSRP

$3,000

$6,550

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Seiko Prospex SPEEDTIMERvsTAG Heuer Carrera

At a glance

Full specifications

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