Which is cheaper, the Smiths PRECISTA MISSION TIMER PRS-56 or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

At MSRP the Smiths PRECISTA MISSION TIMER PRS-56 is the cheaper of the two at $530, against $2,500 for the Seiko Prospex SPEEDTIMER Mechanical Chronograph — a $1,970 gap before any retailer discounting.

Which is bigger, the Smiths PRECISTA MISSION TIMER PRS-56 or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Seiko Prospex SPEEDTIMER Mechanical Chronograph wears larger at 42mm versus 40mm for the Smiths PRECISTA MISSION TIMER PRS-56 — a 2mm difference across the dial.

Which has better water resistance, the Smiths PRECISTA MISSION TIMER PRS-56 or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Smiths PRECISTA MISSION TIMER PRS-56 is rated to 100m versus 10m for the Seiko Prospex SPEEDTIMER Mechanical Chronograph.

Which has a longer power reserve, the Smiths PRECISTA MISSION TIMER PRS-56 or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Seiko Prospex SPEEDTIMER Mechanical Chronograph carries a 45-hour power reserve against 40 hours on the Smiths PRECISTA MISSION TIMER PRS-56.

What movement does the Smiths PRECISTA MISSION TIMER PRS-56 run compared to the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Smiths PRECISTA MISSION TIMER PRS-56 runs a quartz caliber (ETA 251.264), while the Seiko Prospex SPEEDTIMER Mechanical Chronograph runs a automatic (8R48).

Side by side

Smiths PRECISTA MISSION TIMER PRS-56vsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

Add a watch

Smiths PRECISTA MISSION TIMER PRS-56

precista-mission-timer-prs-56

MSRP $530

Seiko Prospex SPEEDTIMER Mechanical Chronograph

srq047j1

MSRP $2,500

At a glance

12 of 29 specs differ

Diameter

PRECISTA MISSION TIMER PRS-5640mm

Prospex SPEEDTIMER Mechanical Chronograph42mm

Power Reserve

PRECISTA MISSION TIMER PRS-5640h

Prospex SPEEDTIMER Mechanical Chronograph45h

Water Resistance

PRECISTA MISSION TIMER PRS-56100m

Prospex SPEEDTIMER Mechanical Chronograph100m

MSRP

PRECISTA MISSION TIMER PRS-56$530

Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

4 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

ETA 251.264

8R48

Type

Quartz

Automatic

Power Reserve

40h

45h

Jewels

Pricing

1 specs

MSRP

—

$2,500

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Smiths PRECISTA MISSION TIMER PRS-56vsSeiko Prospex SPEEDTIMER Mechanical Chronograph

At a glance

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