National title lineage
A complete roll of SOUTH KOREAN welterweight champions since 1983 — 2 champions across 2 reigns. YUNG-KIL CHUNG is the current titleholder. The longest reign belongs to YUNG-KIL CHUNG (41y 12m, 9 defences).
1984–present · 41y 12m · 9 defences · won vacant
1983–1984 · 1y 5m · 1 defence · later vacated
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