Something we've got in common with the 80's? Running, marathons, triathlons, and more running đ While we've got smart watches and Strava, in 1986 the SDB300W offered enhanced stopwatch functions đȘ This watch could do the lap/split time measurements essential for track races, and had a memory function which stored up to 30 datapoints, each with a date. More features included average lap time calculation, target time alert, and timer functions â