WBA super-flyweight title · 15 rounds

Roberto
Ramirez
VS
Jiro
Watanabe

Watanabe · MD 15/15

Jun 23, 1983 · Miyagi Sports Center, Sendai Japan

Ramirez going in—

Watanabe going in20-1-0

Confirmation✓ one source

MethodMD

Round15 of 15

TitleWBA super-flyweight title

Sources

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

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Wikipedia (ja)
side b · observed 2026-10-12
ja.wikipedia.org/wiki/渡辺二郎

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