Which is cheaper, the Seiko Coutura or the Undone Tachikoma?

At MSRP the Undone Tachikoma is the cheaper of the two at $320, against $525 for the Seiko Coutura — a $205 gap before any retailer discounting.

Which is bigger, the Seiko Coutura or the Undone Tachikoma?

The Seiko Coutura wears larger at 44mm versus 41.8mm for the Undone Tachikoma — a 2.2mm difference across the dial.

Which has better water resistance, the Seiko Coutura or the Undone Tachikoma?

The Undone Tachikoma is rated to 100m versus 10m for the Seiko Coutura.

What movement does the Seiko Coutura run compared to the Undone Tachikoma?

Both watches run quartz movements — the Seiko Coutura uses the Seiko V-series (quartz) and the Undone Tachikoma uses the Seiko VK63.

Side by side

Seiko CouturavsUndone Tachikoma

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

MSRP $525

MSRP $320

See the full Tachikoma

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At a glance

8 of 29 specs differ

Diameter

Coutura44mm

Tachikoma41.8mm

Power Reserve

Coutura—

Tachikoma—

Water Resistance

Coutura100m

Tachikoma100m

MSRP

Coutura$525

Tachikoma$320

Full specifications

Case

4 specs

Crystal & Dial

2 specs

Dial Color

—

Lume

LumiBrite on hands and index(es)

None

Movement

1 specs

Caliber

Seiko V-series (quartz)

Seiko VK63

Pricing

1 specs

MSRP

$525

$320

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Seiko CouturavsUndone Tachikoma

At a glance

Full specifications

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