1) Advanced degree 2) Advanced degree in math 3) An impressive degree 4) Big max 5) Big name in chronometers 6) Big name in designer watches 7) Big name watches 8) Big name in chronometermaking 9) Big name timepieces 10) Big name in watches 11) Big name in watchmaking 12) Big name in timepieces 13) Big name chronometers Found on https://www.crosswordclues.com/clue/nth
being the last in a series of infinitely decreasing or increasing values, amounts, etc. · (of an item in a series of occurrences, planned events, things used, etc., that is thought of as being infinitely large) being the latest, or most recent: This is the nth time I've told you to eat slowly. · The new hotel was luxurious to the ... Found on https://www.infoplease.com/dictionary/nth