Seiichi Watanuki boxer
- bouts
- 50
- won
- 25
- lost
- 21
- draw
- 4
- Status
- inactive
- Division
- bantamweight
- Debut
- 1966-10-13
- Height
- 5′ 1″/155cm
- Reach
- -
- Age
- -
- Born
- 1948-03-04
- Death
- -
- Nationality
- Japan
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| Date | Opponent | Last Opponents' Results | Place | Result |
|---|---|---|---|---|
| 1976-05-05 | Bulldozer Park | debut | Seoul | LOST Technical knockout |
| 1976-03-05 | Hisami Numata | DWWLLL | Utsunomiya | LOST Points |
| 1975-11-29 | Katsutoshi Inuzuka | LDWWLL | Kitakyushu | LOST Points |
| 1975-06-05 | Dong Kyun Yum | WWWWWW | Kinki University Auditorium, Osaka | LOST KO |
| 1974-12-01 | Hisami Numata | WWWWWW | Koriyama | DRAW Points |
| 1974-08-31 | Dong Kyun Yum | WWWWWW | Busan | LOST KO |
| 1974-06-28 | Kyu-Chul Chang | WWWLWL | WIN Points |
|
| 1974-02-03 | Soo-Hwan Hong | WWWWWW | Daegu | LOST Points |
| 1973-11-25 | Shintaro Uchiyama | WLWLWW | LOST Points |
|
| 1973-06-12 | Frankie Cabanig | LWWLWL | Honolulu International Center, Honolulu | WIN Unanimous decision |
| 1973-03-27 | Rudy Villagonza | WLLWWW | Honolulu International Center, Honolulu | LOST Technical knockout |
| 1973-01-23 | Emilio Placencia | WDWWLW | Honolulu International Center, Honolulu | WIN KO |
| 1972-11-21 | Simeon Refugio | LWWL | Honolulu International Center, Honolulu | WIN Unanimous decision |
| 1972-10-31 | Alberto Cabanig | LLW | Honolulu International Center, Honolulu | WIN Unanimous decision |
| 1972-07-27 | Susumu Inoue | WWWLLW | LOST KO |
|
| 1972-05-24 | Osamu Haba | WWLDDL | Tokoname | LOST KO |
| 1972-02-17 | Mikio Nakada | LWLWWL | LOST KO |
|
| 1971-11-15 | San Sacristan | DWWWWL | LOST Technical knockout |
|
| 1971-09-23 | Susumu Hanagata | WWWWWL | Yokohama | LOST Split-decision |
| 1971-06-14 | Snappy Asano | LWWWWD | DRAW Points |
|
| 1971-03-29 | Tae-Un Oh | debut | WIN KO |
|
| 1971-02-08 | Yoshiaki Matsumoto | WLWWWW | WIN Points |
|
| 1970-12-21 | Fernando Cabanela | DWWWLW | Jakarta | LOST Points |
| 1970-10-31 | Dong Ki Cho | LWWLWW | Seoul | LOST Corner retirement |
| 1970-06-27 | Bernabe Villacampo | LWWLWL | Manila | LOST KO |
| 1970-04-12 | Susumu Hanagata | WWWWLW | Bunka Gym, Yokohama | LOST Unanimous decision |
| 1969-11-23 | Yoshiaki Matsumoto | WWDLLW | WIN Points |
|
| 1969-09-20 | Tiger Lee | L | Aomori City | WIN Points |
| 1969-08-04 | Yasuo Jo | WLDWWL | WIN Points |
|
| 1969-07-09 | Shinzaburo Kaneko | LLLDWL | WIN Points |
|
| 1969-06-10 | Chucho Castillo | WWWLWD | Plaza de Toros, Ciudad Juarez | LOST KO |
| 1968-12-02 | Shiomi Tanaka | LWWWLD | LOST KO |
|
| 1968-10-07 | Toshinobu Tsukamoto | LLWWWL | Korakuen Hall | WIN Points |
| 1968-09-02 | Hideo Miyamoto | WWWLLW | WIN Points |
|
| 1968-07-15 | Shigeru Shioka | debut | WIN KO |
|
| 1968-05-27 | Naoshige Noboru | LLLL | WIN KO |
|
| 1968-04-28 | Yoshihiro Kuroda | LWL | WIN KO |
|
| 1968-03-28 | Yoshihiro Kuroda | LW | WIN Points |
|
| 1967-12-18 | Sarutobi Koyama | WWWLWW | LOST KO |
|
| 1967-11-18 | Genzo Kurosawa | WWWWWW | WIN Points |
|
| 1967-10-20 | Kazuaki Uchimura | debut | WIN KO |
|
| 1967-09-25 | Yukio Masukawa | WLW | WIN Points |
|
| 1967-09-10 | Kazuyuki Asanuma | WL | DRAW |
|
| 1967-07-24 | Kazuo Ishii | debut | DRAW Points |
|
| 1967-05-29 | Katsutoshi Kurihara | debut | WIN Points |
|
| 1967-05-04 | Hiroshi Masujima | debut | WIN Points |
|
| 1967-04-20 | Masaru Ogawa | L | WIN KO |
|
| 1967-03-13 | Hiromi Waki | debut | WIN KO |
|
| 1967-01-19 | Koji Muto | debut | WIN KO |
|
| 1966-10-13 | Mitsuo Tohyama | debut | LOST KO |
