Odell Beckham doesn't give a damn about the NFL's jewelry policy ... 'cause the Cleveland Browns superstar says he's gonna keep wearing his flashy $350k watch during games.
Aside from the Brownies getting rocked by the Titans on Sunday, the biggest story coming out of Cleveland was OBJ rocking a bougie Richard Mille watch during the game.
Of course ... the league has a rule against wearing "hard objects"... which means Beckham's wrist drip is NOT allowed.
But OBJ told Cleveland.com on Tuesday he's DETERMINED to rock the watch on the field again -- claiming people are blowing the situation way out of proportion for 2 reasons .