英文關鍵字
alarm
alert
analog
background
black
business
chronometer
classic
clock
concept
countdown
counter
day
deadline
design
device
dial
digit
digital
display
flip
future
horologe
hours
isolated
machine
mechanical
meeting
metal
minute
moment
morning
motion
numeral
panel
precise
punctuality
quick
retro
second
sign
slow
stopwatch
symbol
technology
time
timer
vintage
white