Which is cheaper, the Seiko Prospex LX line or the Undone x Nicola Formichetti?

At MSRP the Undone x Nicola Formichetti is the cheaper of the two at $1,899, against $5,500 for the Seiko Prospex LX line — a $3,601 gap before any retailer discounting.

Which is bigger, the Seiko Prospex LX line or the Undone x Nicola Formichetti?

The Seiko Prospex LX line wears larger at 44.8mm versus 43mm for the Undone x Nicola Formichetti — a 1.8mm difference across the dial.

Which has better water resistance, the Seiko Prospex LX line or the Undone x Nicola Formichetti?

The Undone x Nicola Formichetti is rated to 200m versus 20m for the Seiko Prospex LX line.

What movement does the Seiko Prospex LX line run compared to the Undone x Nicola Formichetti?

The Seiko Prospex LX line runs a spring drive caliber (5R66), while the Undone x Nicola Formichetti runs a automatic (Sellita SW200-1).

Side by side

Seiko Prospex LX linevsUndone x Nicola Formichetti

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

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Seiko Prospex LX line

MSRP $5,500

See the full Prospex LX line

Undone x Nicola Formichetti

MSRP $1,899

See the full x Nicola Formichetti

At a glance

13 of 29 specs differ

Diameter

Prospex LX line44.8mm

x Nicola Formichetti43mm

Power Reserve

Prospex LX line72h

x Nicola Formichetti—

Water Resistance

Prospex LX line200m

x Nicola Formichetti200m

MSRP

Prospex LX line$5,500

x Nicola Formichetti$1,899

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Super-clear coating

—

Dial Color

—

Lume

LumiBrite on hands and index(es)

None

Movement

4 specs

Caliber

5R66

Sellita SW200-1

Type

Spring Drive

Automatic

Power Reserve

72h

—

Jewels

Pricing

1 specs

MSRP

$5,500

$1,899

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Seiko Prospex LX linevsUndone x Nicola Formichetti

At a glance

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