Karl-Anthony Towns made sure his girlfriend, Jordyn Woods, felt EXTRA special for her 24th birthday -- showering her with crazy gifts ... including a Patek watch, a Birkin bag and a Bottega coat!!

The Minnesota Timberwolves center surprised Woods with the presents during a celebration at The Nice Guy in Los Angeles on Saturday ... giving her the expensive pieces throughout the evening.

Woods' baby sister, Jodie, captured the initial present opening on video -- showing Woods first receiving a shiny box that contained a diamond Patek watch, which can run for well over $100k.