LW204-1B

This model features a resin case measuring 38.9 × 35 × 9.4 mm and weighs 24 grams, paired with a resin band for durability. It offers 50-meter water resistance and is powered by a CR2016 battery with an approximate three-year lifespan. The watch includes a 1/100-second stopwatch capable of measuring up to 23:59'59, a countdown timer adjustable from 1 second to 24 hours with auto-repeat, and multiple alarms with flash alerts. Additional functions include an LED amber backlight with afterglow, a full auto-calendar through 2039, 12/24-hour formats, and an accuracy of ±30 seconds per month.