Shock-resistant structure, 20-bar water resistance: G-SHOCK's core technology that pursues toughness. The structure is resistant to shocks and protects the module. The unique uneven shape prevents direct impact to the glass and buttons. It can be used in a variety of places and situations, from daily water work to water activities such as swimming, surfing, and jet skiing. Multi-alarm, hourly time signal: You can set the date and day of the week to sound the time alarm. EL backlight (with afterglow function): The display surface of the watch illuminates. It illuminates for a few seconds even after you release your finger from the light button. Other product specifications: Stopwatch / Timer / Time alarm / Hourly time signal / 12/24 hour display switching / Flash alert function Description G-SHOCK 40th Anniversary Adventurer's Stone, a limited edition model of G-SHOCK, which celebrates its 40th anniversary in 2023. The metal bezels of each model express the brilliance of minerals through forging, IP coating, and masking technology. In addition, the bands have a unique texture thanks to skeleton materials, hot stamping, and galal molding. The dial features "SINCE1983" to commemorate the 40th anniversary, and the case back features the 40th logo by Eric Haze, who also designed the G-SHOCK 25th, 30th, and 35th logos. The limited edition model also features a star mark representing "40" on the band ring and "SINCE1983" engraved on it. "GM-S5640GEM" Bezel: Laser + Rainbow IP, Band: White skeleton + Hot stamp List price: 35,200 yen ● Shock-resistant structure ● 20-bar water resistance ● Stopwatch (1/100 second (00'00"00 to 59'59"99) / 1 second (1:00'00" to 23:59'59"), 24-hour counter, with split) ● Timer (set unit: 1 second, maximum set: 24 hours, measured in 1 second increments, auto-repeat) ● Multi-alarm, hourly time signal ● Full auto-calendar ● 12/24 hour display switching ● EL backlight (with afterglow function) New school year Entrance Students Ladies Business White, white, clear, silver Cute, cool, stylish Men's, outdoor Casio CASIO G-SHOCK G-Shock