SEIKO S143 Stopwatch – 300 Memory


The SEIKO S143 stopwatch is a digital stopwatch featuring a print-out function when connected to an SP12 printer.  The stopwatch is also equipped with a large-sized three-row display panel that can display split times, lap times and total elapsed time, or lap time in progress at the same time in separate rows. In addition the stopwatch is water resistant and can withstand up to 3 bar, making it ideal for aquatic sports or use in rainy weather.

Additional information

Weight 1.0 kg

141 grams


8 x 6.3 x 2.2 cm


Less than 15 seconds at normal temperature range (5℃~35℃)

Operational temperature range



Lithium battery SB-T74, 1 piece

Battery Life

A new normal battery will last approximately three years

Battery life indicator

"BATT" mark start flashing when the battery life nears its end

Time/calendar display

Hour (24hour indication), minutes, seconds, year, month, date and calendar mark. ID no. (OFF/01~99), contrast adjustment display

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