Which is bigger, the Impossible Watch Company IMP TIME-ONLY or the Seiko 5 Sports Field series?

The Seiko 5 Sports Field series wears larger at 39.4mm versus 38.5mm for the Impossible Watch Company IMP TIME-ONLY — a 0.9mm difference across the dial.

Which has better water resistance, the Impossible Watch Company IMP TIME-ONLY or the Seiko 5 Sports Field series?

The Impossible Watch Company IMP TIME-ONLY is rated to 50m versus 10m for the Seiko 5 Sports Field series.

Which has a longer power reserve, the Impossible Watch Company IMP TIME-ONLY or the Seiko 5 Sports Field series?

The Impossible Watch Company IMP TIME-ONLY carries a 42-hour power reserve against 41 hours on the Seiko 5 Sports Field series.

What movement does the Impossible Watch Company IMP TIME-ONLY run compared to the Seiko 5 Sports Field series?

Both watches run automatic movements — the Impossible Watch Company IMP TIME-ONLY uses the Miyota 82S0 and the Seiko 5 Sports Field series uses the 4R34.

Side by side

Impossible Watch Company IMP TIME-ONLYvsSeiko 5 Sports Field series

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

Impossible Watch Company IMP TIME-ONLY

Seiko 5 Sports Field series

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MSRP $450

At a glance

13 of 29 specs differ

Diameter

IMP TIME-ONLY38.5mm

5 Sports Field series39.4mm

Power Reserve

IMP TIME-ONLY42h

5 Sports Field series41h

Water Resistance

IMP TIME-ONLY50m

5 Sports Field series100m

MSRP

IMP TIME-ONLY—

5 Sports Field series$450

Full specifications

Case

5 specs

Crystal & Dial

4 specs

Crystal

Hardlex

Crystal Shape

Flat

Curved

Dial Color

Salmon

Black

Lume

None

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Miyota 82S0

4R34

Power Reserve

42h

41h

Jewels

Pricing

1 specs

MSRP

—

$450

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