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| Dates | November 28 – December 12, 1989 | |||||||||
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| Television | Vintage Sports (PTV) | |||||||||
| Radio network | DZSR | |||||||||
The 1989 PBA Reinforced Conference finals was the best-of-7 series basketball championship of the 1989 PBA Reinforced Conference, and the conclusion of the conference's playoffs. The San Miguel Beermen and the Añejo Rum 65ers played for the 44th championship contested by the league.[1]
The San Miguel Beermen won their finals series against Añejo Rum 65ers, four games to one, becoming the third team in PBA history to achieve the distinction of capturing the Grandslam.[2]