Which is cheaper, the Seiko Prospex Sea PADI Special Edition or the Undone X POPEYE "SEAWEED"?

At MSRP the Undone X POPEYE "SEAWEED" is the cheaper of the two at $440, against $650 for the Seiko Prospex Sea PADI Special Edition — a $210 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea PADI Special Edition or the Undone X POPEYE "SEAWEED"?

The Seiko Prospex Sea PADI Special Edition wears larger at 41.7mm versus 40mm for the Undone X POPEYE "SEAWEED" — a 1.7mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea PADI Special Edition or the Undone X POPEYE "SEAWEED"?

The Seiko Prospex Sea PADI Special Edition is rated to 200m versus 100m for the Undone X POPEYE "SEAWEED".

What movement does the Seiko Prospex Sea PADI Special Edition run compared to the Undone X POPEYE "SEAWEED"?

Both watches run automatic movements — the Seiko Prospex Sea PADI Special Edition uses the Seiko 4R35 and the Undone X POPEYE "SEAWEED" uses the Seiko NH35.

Side by side

Seiko Prospex Sea PADI Special EditionvsUndone X POPEYE "SEAWEED"

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

Add a watch

Seiko Prospex Sea PADI Special Edition

MSRP $650

See the full Prospex Sea PADI Special Edition

Undone X POPEYE "SEAWEED"

MSRP $440

See the full X POPEYE "SEAWEED"

At a glance

13 of 29 specs differ

Diameter

Prospex Sea PADI Special Edition41.7mm

X POPEYE "SEAWEED"40mm

Power Reserve

Prospex Sea PADI Special Edition41h

X POPEYE "SEAWEED"—

Water Resistance

Prospex Sea PADI Special Edition200m

X POPEYE "SEAWEED"100m

MSRP

Prospex Sea PADI Special Edition$650

X POPEYE "SEAWEED"$440

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Hardlex

—

Dial Color

—

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

Seiko 4R35

Seiko NH35

Power Reserve

41h

—

Jewels

Pricing

1 specs

MSRP

$650

$440

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