Which is cheaper, the Seiko Prospex Sea PADI Special Edition or the Undone Basecamp Cali Ume?

At MSRP the Undone Basecamp Cali Ume is the cheaper of the two at $325, against $650 for the Seiko Prospex Sea PADI Special Edition — a $325 gap before any retailer discounting.

Which is bigger, the Seiko Prospex Sea PADI Special Edition or the Undone Basecamp Cali Ume?

The Seiko Prospex Sea PADI Special Edition wears larger at 41.7mm versus 40mm for the Undone Basecamp Cali Ume — a 1.7mm difference across the dial.

Which has better water resistance, the Seiko Prospex Sea PADI Special Edition or the Undone Basecamp Cali Ume?

The Seiko Prospex Sea PADI Special Edition is rated to 200m versus 100m for the Undone Basecamp Cali Ume.

What movement does the Seiko Prospex Sea PADI Special Edition run compared to the Undone Basecamp Cali Ume?

Both watches run automatic movements — the Seiko Prospex Sea PADI Special Edition uses the Seiko 4R35 and the Undone Basecamp Cali Ume uses the Seiko NH35.

Side by side

Seiko Prospex Sea PADI Special EditionvsUndone Basecamp Cali Ume

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

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Seiko Prospex Sea PADI Special Edition

MSRP $650

See the full Prospex Sea PADI Special Edition

Undone Basecamp Cali Ume

MSRP $325

See the full Basecamp Cali Ume

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Buy from Undone ↗

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At a glance

14 of 29 specs differ

Diameter

Prospex Sea PADI Special Edition41.7mm

Basecamp Cali Ume40mm

Power Reserve

Prospex Sea PADI Special Edition41h

Basecamp Cali Ume—

Water Resistance

Prospex Sea PADI Special Edition200m

Basecamp Cali Ume100m

MSRP

Prospex Sea PADI Special Edition$650

Basecamp Cali Ume$325

Full specifications

Case

7 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

$325

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Seiko Prospex Sea PADI Special EditionvsUndone Basecamp Cali Ume

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