Calma attained further prominence as a member of the national team which qualified for several international tournaments during the 1980s, under the patronage of Danding Cojuangco and the guidance of coach Ron Jacobs.

Within a year, the renamed San Miguel Beer, coached by Norman Black, would win its first PBA Championship with Calma starting at point guard.

In a team that featured explosive scorers such as Samboy Lim, Ricardo Brown, and Ramon Fernandez, Calma's playmaking skills was highly regarded.

Yet as the 1990 official PBA Annual noted, "Numbers just can't fully-determine this little guy's true worth - he just creates so many offensive situations which most often draw the line between victory and defeat.

"[1] After the FIBA allowed in 1989 the participation of professional basketball players in international competitions, Calma was recruited twice to rejoin the Philippine National Team.

He was joined in that honor by two of his teammates from the SMB Grand Slam team, Ramon Fernandez and Samboy Lim His son, Andres, is a motorsports rider, having won a championship title in the Vios Cup Season 2 in 2015.