Which is cheaper, the Decima Scylla or the Seiko 5KX?

At MSRP the Seiko 5KX is the cheaper of the two at $350, against $899 for the Decima Scylla — a $549 gap before any retailer discounting.

Which is bigger, the Decima Scylla or the Seiko 5KX?

The Decima Scylla wears larger at 44mm versus 42.5mm for the Seiko 5KX — a 1.5mm difference across the dial.

Which has better water resistance, the Decima Scylla or the Seiko 5KX?

The Decima Scylla is rated to 500m versus 10m for the Seiko 5KX.

Which has a longer power reserve, the Decima Scylla or the Seiko 5KX?

The Seiko 5KX carries a 41-hour power reserve against 38 hours on the Decima Scylla.

What movement does the Decima Scylla run compared to the Seiko 5KX?

Both watches run automatic movements — the Decima Scylla uses the Sellita SW200-1 and the Seiko 5KX uses the 4R36.

Side by side

Decima ScyllavsSeiko 5KX

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

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Decima Scylla

scylla-green

MSRP $899

Seiko 5KX

srpd51

MSRP $350

At a glance

13 of 29 specs differ

Diameter

Scylla44mm

5KX42.5mm

Power Reserve

Scylla38h

5KX41h

Water Resistance

Scylla500m

5KX100m

MSRP

Scylla$899

5KX$350

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Sapphire

Hardlex

Dial Color

Green

Black

Lume

SuperLuminova

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Sellita SW200-1

4R36

Power Reserve

38h

41h

Jewels

Pricing

1 specs

MSRP

$899

$350

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Decima ScyllavsSeiko 5KX

At a glance

Full specifications

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