Which is bigger, the Impossible Watch Company IMP TIME-ONLY or the Zelos Spearfish GMT?

The Zelos Spearfish GMT wears larger at 40mm versus 38.5mm for the Impossible Watch Company IMP TIME-ONLY — a 1.5mm difference across the dial.

Which has better water resistance, the Impossible Watch Company IMP TIME-ONLY or the Zelos Spearfish GMT?

The Zelos Spearfish GMT is rated to 200m versus 50m for the Impossible Watch Company IMP TIME-ONLY.

Which has a longer power reserve, the Impossible Watch Company IMP TIME-ONLY or the Zelos Spearfish GMT?

The Impossible Watch Company IMP TIME-ONLY carries a 42-hour power reserve against 40 hours on the Zelos Spearfish GMT.

What movement does the Impossible Watch Company IMP TIME-ONLY run compared to the Zelos Spearfish GMT?

Both watches run automatic movements — the Impossible Watch Company IMP TIME-ONLY uses the Miyota 82S0 and the Zelos Spearfish GMT uses the Sellita SW330-2.

Side by side

Impossible Watch Company IMP TIME-ONLYvsZelos Spearfish GMT

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

Impossible Watch Company IMP TIME-ONLY

Zelos Spearfish GMT

spearfish-gmt-frost

MSRP $999

At a glance

10 of 29 specs differ

Diameter

IMP TIME-ONLY38.5mm

Spearfish GMT40mm

Power Reserve

IMP TIME-ONLY42h

Spearfish GMT40h

Water Resistance

IMP TIME-ONLY50m

Spearfish GMT200m

MSRP

IMP TIME-ONLY—

Spearfish GMT$999

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Dial Color

Salmon

Frost

Movement

2 specs

Caliber

Miyota 82S0

Sellita SW330-2

Power Reserve

42h

40h

Pricing

1 specs

MSRP

—

$999

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