Undone x Simple Union: Aitoheiwa Automatic

Undone x Simple Union: Aitoheiwa Automatic

Undone x Simple Union: Aitoheiwa Automatic
Watch by Undone

Undone x Simple Union: Aitoheiwa Automatic

Case
40 mm
Market price
$499
Updated 11 November 2026
About this watch

The Undone x Simple Union: Aitoheiwa Automatic is a 40 mm watch. It has a bronze case.

The manufacturer’s list price is US$499.

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Last update:

11 November, 2026