WSL

. Rubber strap
. Rubber glass / spherical glass
. Waterproof 50 meters
. LED backlight: optional lighting time
. Two time
. 1/100 stopwatch
. Daily alarm
. Automatic calendar (to 2099)
. 12/24 hour system
. Time display: hours, minutes, seconds, afternoon, month, date, day
. Battery life estimate: 10 years (CR1620)