Which is cheaper, the Decima Scylla or the Seiko Prospex Sea?

At MSRP the Decima Scylla is the cheaper of the two at $899, against $1,500 for the Seiko Prospex Sea — a $601 gap before any retailer discounting.

Which is bigger, the Decima Scylla or the Seiko Prospex Sea?

The Decima Scylla wears larger at 44mm versus 43.5mm for the Seiko Prospex Sea — a 0.5mm difference across the dial.

Which has better water resistance, the Decima Scylla or the Seiko Prospex Sea?

The Decima Scylla is rated to 500m versus 200m for the Seiko Prospex Sea.

Which has a longer power reserve, the Decima Scylla or the Seiko Prospex Sea?

The Seiko Prospex Sea carries a 70-hour power reserve against 38 hours on the Decima Scylla.

What movement does the Decima Scylla run compared to the Seiko Prospex Sea?

Both watches run automatic movements — the Decima Scylla uses the Sellita SW200-1 and the Seiko Prospex Sea uses the 6R35.

Side by side

Decima ScyllavsSeiko Prospex Sea

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 Prospex Sea

spb349j1

MSRP $1,500

At a glance

13 of 29 specs differ

Diameter

Scylla44mm

Prospex Sea43.5mm

Power Reserve

Scylla38h

Prospex Sea70h

Water Resistance

Scylla500m

Prospex Sea200m

MSRP

Scylla$899

Prospex Sea$1,500

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

Green

Black

Lume

SuperLuminova

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

Sellita SW200-1

6R35

Power Reserve

38h

70h

Jewels

Pricing

1 specs

MSRP

$899

$1,500

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Decima ScyllavsSeiko Prospex Sea

At a glance

Full specifications

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