英文關鍵字
accuracy
alarm
alert
analog
background
black
business
chronometer
classic
clock
concept
countdown
counter
day
deadline
dial
digit
digital
flat
flip
future
horologe
hours
isolated
machine
minute
morning
motion
number
numeral
object
old
power
precise
punctuality
quick
retro
second
sign
slow
stopwatch
technology
time
timepiece
timer
vintage
watch
white