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 $7,300 for the TAG Heuer Carrera — a $4,300 gap before any retailer discounting.

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

The TAG Heuer Carrera wears larger at 44mm versus 42.5mm for the Seiko Prospex SPEEDTIMER — a 1.5mm 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 Calibre HEUER02 Automatic.

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

CBN2A1B.FC6481

MSRP $7,300

At a glance

14 of 29 specs differ

Diameter

Prospex SPEEDTIMER42.5mm

Carrera44mm

Power Reserve

Prospex SPEEDTIMER45h

Carrera80h

Water Resistance

Prospex SPEEDTIMER100m

Carrera100m

MSRP

Prospex SPEEDTIMER$3,000

Carrera$7,300

Full specifications

Case

5 specs

Diameter

42.5mm

44mm

Thickness

15.1mm

15.27mm

Lug-to-Lug

50mm

—

Finish

Brushed and polished

Steel Fine-Brushed/Polished

Caseback

Solid

—

Crystal & Dial

4 specs

Crystal Shape

Curved

—

AR Coating

Anti-reflective coating on inner surface

—

Indices

Applied

—

Lume

LumiBrite on hands and index(es)

None

Movement

4 specs

Caliber

8R46

Calibre HEUER02 Automatic

Power Reserve

45h

80h

Jewels

Complications

None

Chronograph, Date

Pricing

1 specs

MSRP

$3,000

$7,300

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Seiko Prospex SPEEDTIMERvsTAG Heuer Carrera

At a glance

Full specifications

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