10 rounds

Seiichi
Watanuki
VS
Chucho
Castillo

Castillo · KO 4/10

Jun 10, 1969 · Plaza de Toros, Ciudad Juárez, 🇲🇽

Watanuki going in—

Castillo going in35-7-1

Confirmation✓ one source

MethodKO

Round4 of 10

Sources

English Wikipedia
side b · observed 2026-10-11
en.wikipedia.org/wiki/Chucho_Castillo

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