Rikishi Shiro — White basecamp_collection topped with ultra-dome K1 lens

topped with ultra-dome K1 lens bringing our signature galaxy lume dial into full perspective

and comprises Roman numerals on top

each shifting subtly with light against the black case

UNDONE is proud to announce its official agreement with Atlassian Williams Racing as their watch licensee

Rikishi Shiro — White basecamp_collection topped with ultra-dome K1 lensUNDONE approaches mechanical watchmaking with the restraint found in Japanese design: reduce excess, respect process, and let function define form. Rikishi takes its name from the Japanese word for a sumo wrestler, a symbol of strength shaped through discipline, balance, and ritual. Not raw force, but power that is trained, controlled, and grounded. This philosophy defines the watch from the inside out. At the center of the dial sits the power reserve