The Rolex Replica Day Date, launched in 1956 and touted by Rolex as the first chronometer wristwatch to spell out both the date and day of the week on its dial, has throughout its long history been available only in gold cases. That tradition continues with five models launched in 2013, which have either an 18k yellow gold, 18k white gold, or 18k Everose gold case and are available in different dial-strap combos. The cases all measure 36 mm in…