A Rolex Date ref. 15210 with a blue dial from 2000 is a sporty yet understated classic from Rolex’s late five-digit era. Built in stainless steel with a 34mm Oyster case, smooth bezel, and sapphire crystal, it offers a slightly more compact alternative to the Datejust while keeping the same reliable everyday functionality. The blue dial is one of its most attractive features, shifting from deep navy to brighter tones depending on light