Watch
by Undone
Undone Rikishi Aka
Rikishi Aka — Red · Rikishi Aka
- Case
- 40 mm
- Thickness
- 13.8 mm
- Crystal
- Sapphire
- Market price
- $595
Updated 11 November 2026
About this watch
The Undone Rikishi Aka is a 40 mm watch from the Rikishi Aka — Red collection. Its stainless steel case is 13.8 mm thick. It is water resistant to 100 m. The crystal is sapphire.
The manufacturer’s list price is US$595. It comes in 2 versions.
Same brand
More from Undone
Your next watch
Find your next watch, not just a brand.
Every watch on Watcheers has its spec sheet in Watch Explorer. Filter by size, material and budget to find the one that fits.