Which is cheaper, the Impossible Watch Company IMP Chronograph or the Seiko Prospex Land Mechanical?

At MSRP the Impossible Watch Company IMP Chronograph is the cheaper of the two at $595, against $995 for the Seiko Prospex Land Mechanical — a $400 gap before any retailer discounting.

Which is bigger, the Impossible Watch Company IMP Chronograph or the Seiko Prospex Land Mechanical?

The Seiko Prospex Land Mechanical wears larger at 39.5mm versus 38.5mm for the Impossible Watch Company IMP Chronograph — a 1mm difference across the dial.

Which has better water resistance, the Impossible Watch Company IMP Chronograph or the Seiko Prospex Land Mechanical?

The Impossible Watch Company IMP Chronograph is rated to 30m versus 20m for the Seiko Prospex Land Mechanical.

Which has a longer power reserve, the Impossible Watch Company IMP Chronograph or the Seiko Prospex Land Mechanical?

The Seiko Prospex Land Mechanical carries a 72-hour power reserve against 42 hours on the Impossible Watch Company IMP Chronograph.

What movement does the Impossible Watch Company IMP Chronograph run compared to the Seiko Prospex Land Mechanical?

The Impossible Watch Company IMP Chronograph runs a manual caliber (Seagull ST1901), while the Seiko Prospex Land Mechanical runs a automatic (6R55).

Side by side

Impossible Watch Company IMP ChronographvsSeiko Prospex Land Mechanical

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

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Impossible Watch Company IMP Chronograph

MSRP $595

Seiko Prospex Land Mechanical

spb503j1

MSRP $995

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At a glance

14 of 29 specs differ

Diameter

IMP Chronograph38.5mm

Prospex Land Mechanical39.5mm

Power Reserve

IMP Chronograph42h

Prospex Land Mechanical72h

Water Resistance

IMP Chronograph30m

Prospex Land Mechanical200m

MSRP

IMP Chronograph$595

Prospex Land Mechanical$995

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal

Sapphire

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Silver Gilt

Black

Lume

None

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

Seagull ST1901

6R55

Type

Manual

Automatic

Power Reserve

42h

72h

Jewels

Pricing

1 specs

MSRP

$595

$995

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Impossible Watch Company IMP ChronographvsSeiko Prospex Land Mechanical

At a glance

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