Which is cheaper, the Seiko 5 Sports SKX series or the Undone Basecamp Cali Ume?

At MSRP the Undone Basecamp Cali Ume is the cheaper of the two at $325, against $350 for the Seiko 5 Sports SKX series — a $25 gap before any retailer discounting.

Which is bigger, the Seiko 5 Sports SKX series or the Undone Basecamp Cali Ume?

The Undone Basecamp Cali Ume wears larger at 40mm versus 38mm for the Seiko 5 Sports SKX series — a 2mm difference across the dial.

Which has better water resistance, the Seiko 5 Sports SKX series or the Undone Basecamp Cali Ume?

The Undone Basecamp Cali Ume is rated to 100m versus 10m for the Seiko 5 Sports SKX series.

What movement does the Seiko 5 Sports SKX series run compared to the Undone Basecamp Cali Ume?

Both watches run automatic movements — the Seiko 5 Sports SKX series uses the Seiko 4R36 and the Undone Basecamp Cali Ume uses the Seiko NH35.

Side by side

Seiko 5 Sports SKX seriesvsUndone Basecamp Cali Ume

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

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Seiko 5 Sports SKX series

MSRP $350

See the full 5 Sports SKX series

Undone Basecamp Cali Ume

MSRP $325

See the full Basecamp Cali Ume

At a glance

13 of 29 specs differ

Diameter

5 Sports SKX series38mm

Basecamp Cali Ume40mm

Power Reserve

5 Sports SKX series41h

Basecamp Cali Ume—

Water Resistance

5 Sports SKX series100m

Basecamp Cali Ume100m

MSRP

5 Sports SKX series$350

Basecamp Cali Ume$325

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal

Hardlex

—

Dial Color

—

Lume

LumiBrite on hands and index(es)

None

Movement

3 specs

Caliber

Seiko 4R36

Seiko NH35

Power Reserve

41h

Jewels

Pricing

1 specs

MSRP

$350

$325

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Seiko 5 Sports SKX seriesvsUndone Basecamp Cali Ume

At a glance

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