

Girl Boss: Diamond Showdown
1974, Japanese. Directed by Ikuo Sekimoto.
Keiko Aizawa a vengeance-crazed vixen sets out on a journey to avenge the death of her older sister.
- Runtime
- 1h 27m
- Post-credits
- None listed
- Language
- Japanese
- Rated
- Check local
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Where to watch Girl Boss: Diamond Showdown
Girl Boss: Diamond Showdown isn’t streaming on any OTT platform in India yet; it released on 15 January 1974.
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Part of a series
Girl Boss: watch order
Cast & crew
- Ikuo SekimotoDirector
- Reiko IkeKeiko Aizawa
- Tsunehiko WataseKuroki Tatsuya
- Ryōko EmaKuroki Eri / Razor Eri
- Ritsuko FujiyamaMiwa Tatibana
- Mitsuko AoiMayumi
- Katsumasa UchidaIsozaki Kanji
- Tōru AbeOshima Humio
- Rena IchinoseOta Setsuko
- Tamaki KatsuraKyoko
- Jun MidorikawaKiyoko
- Hiroki MatsukataMatsumoto
- Hideo MurotaHirata Yayoi
Details
- Released
- 15 January 1974
- Original title
- 女番長 タイマン勝負
- Country
- Japan
- Written by
- Tatsuhiko Kamoi, Seiko Shimura
Check ratings elsewhere
News & fan talk
Watch before Girl Boss: Diamond Showdown
In release order. The films it follows, and anything it builds on.

Girl Boss Blues: Queen Bee's Counterattack
1971 · 4.5/10
NewEarlier in the series

Girl Boss Blues - Queen Bee's Challenge
1972 · 6.0/10
NewEarlier in the series

Girl Boss Guerilla
1972 · 6.0/10
NewEarlier in the series

Girl Boss Revenge: Sukeban
1973 · 5.5/10
NewEarlier in the series

Girl Boss: Escape From Reform School
1973 · 6.2/10
NewEarlier in the series
After Girl Boss: Diamond Showdown
What comes next in the series.
If you liked Girl Boss: Diamond Showdown

Knuckle Girl
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Girl Boss: Diamond Showdown: quick answers
What should I watch before Girl Boss: Diamond Showdown?
Watch Girl Boss Blues - Queen Bee's Challenge (1972), Girl Boss Guerilla (1972), Girl Boss Revenge: Sukeban (1973), and Girl Boss: Escape From Reform School (1973) first, plus 1 earlier title listed on this page.
What comes after Girl Boss: Diamond Showdown?
Next in the series: Girl Boss: Crazy Ball Game (1974).
Is Girl Boss: Diamond Showdown worth watching?
Girl Boss: Diamond Showdown doesn’t have enough ratings for a verdict yet.
How long is Girl Boss: Diamond Showdown?
Girl Boss: Diamond Showdown runs 87 minutes (1h 27m).
Does Girl Boss: Diamond Showdown have a post-credits scene?
None is listed for Girl Boss: Diamond Showdown. Viewers tag these on TMDB, so a brand-new film may not be tagged yet.
Girl Boss: Diamond Showdown parents guide: is it suitable for kids?
No age rating is listed for Girl Boss: Diamond Showdown yet.
Which OTT platform is Girl Boss: Diamond Showdown on?
Girl Boss: Diamond Showdown isn’t streaming on any OTT platform in India yet; it released on 15 January 1974. (Checked 13 November 2026.)
What movies are like Girl Boss: Diamond Showdown?
If you liked Girl Boss: Diamond Showdown, try Knuckle Girl, Mexicali, Rev.
Who directed Girl Boss: Diamond Showdown?
Girl Boss: Diamond Showdown (1974) was directed by Ikuo Sekimoto and stars Reiko Ike, Tsunehiko Watase, Ryōko Ema.
