Synonyms to half-hour glass

timepiece, Big Ben, alarm clock, alarm watch, astronomical clock, atomic clock, box chronometer, calendar clock, calendar watch, chronograph, chronometer, chronopher, chronoscope, clepsydra, clock, clock movement, clocks, clockworks, cuckoo clock, dial, digital clock, digital watch, electric clock, electronic clock, gnomon, grandfather clock, half-minute glass, horologe, horologium, hourglass, hunter, independent-seconds watch, isochronon, journeyman, marine chronometer, metronome, repeater, sandglass, sundial, telltale, ticker, time switch, timekeeper, timepieces, timer, turnip, watch, watchworks, wristwatch, Argus, Charley, abide, airplane spotter, anchor watch, and listen, animadvert, appear, assister, attend, attend to, await, baby-sit, bakehead, be at, be present at, be vigilant, be watchful, bevy, bide, bit, black gang, boilerman, bug, bungs, cabin boy, calculate on, care for, case, catch, chaperon, charm, cherish, chips, chronophe