Which is cheaper, the Seiko Prospex SPEEDTIMER or the Unimatic Modello Tre UC3 Classic Chronograph?

At MSRP the Seiko Prospex SPEEDTIMER is the cheaper of the two at $750, against $760 for the Unimatic Modello Tre UC3 Classic Chronograph — a $10 gap before any retailer discounting.

Which is bigger, the Seiko Prospex SPEEDTIMER or the Unimatic Modello Tre UC3 Classic Chronograph?

The Unimatic Modello Tre UC3 Classic Chronograph wears larger at 41.5mm versus 41.4mm for the Seiko Prospex SPEEDTIMER — a 0.1mm difference across the dial.

Which has better water resistance, the Seiko Prospex SPEEDTIMER or the Unimatic Modello Tre UC3 Classic Chronograph?

The Unimatic Modello Tre UC3 Classic Chronograph is rated to 300m versus 10m for the Seiko Prospex SPEEDTIMER.

What movement does the Seiko Prospex SPEEDTIMER run compared to the Unimatic Modello Tre UC3 Classic Chronograph?

Both watches run quartz movements — the Seiko Prospex SPEEDTIMER uses the Seiko V192 and the Unimatic Modello Tre UC3 Classic Chronograph uses the Seiko VK64.

Side by side

Seiko Prospex SPEEDTIMERvsUnimatic Modello Tre UC3 Classic Chronograph

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

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Seiko Prospex SPEEDTIMER

MSRP $750

See the full Prospex SPEEDTIMER

Unimatic Modello Tre UC3 Classic Chronograph

uc3

MSRP $760

See the full Modello Tre UC3 Classic Chronograph

At a glance

14 of 29 specs differ

Diameter

Prospex SPEEDTIMER41.4mm

Modello Tre UC3 Classic Chronograph41.5mm

Power Reserve

Prospex SPEEDTIMER—

Modello Tre UC3 Classic Chronograph—

Water Resistance

Prospex SPEEDTIMER100m

Modello Tre UC3 Classic Chronograph300m

MSRP

Prospex SPEEDTIMER$750

Modello Tre UC3 Classic Chronograph$760

Full specifications

Case

7 specs

Crystal & Dial

5 specs

Crystal

Sapphire

—

Crystal Shape

Curved

—

AR Coating

Anti-reflective coating on inner surface

—

Dial Color

—

Matte black

Lume

LumiBrite on hands and index(es)

None

Movement

1 specs

Caliber

Seiko V192

Seiko VK64

Pricing

1 specs

MSRP

$750

$760

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Seiko Prospex SPEEDTIMERvsUnimatic Modello Tre UC3 Classic Chronograph

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