G Shock Casio GA900SKL-7A Men's Black Dial Transparent Analog Digital Alarm Chronograph Watch

Since its landmark release in 1983, the Casio G-Shock has represented perhaps the watch world’s purest expression of high technology blended with trendsetting style. With more than 40 years on the market, the original “world’s toughest watch” today can claim its own hardcore cadre of fans and collectors; its diverse collection spans digital, analog, and ana-digi models, boasts levels of cutting-edge technology that few watch brands can equal, and still offers timepieces at prices accessible to just about everyone. Here is the story of how the G-Shock began, how it rose from humble beginnings to become a pop cultural institution, and why it's now a model that many serious watch collectors have begun to embrace.

• Shock resistant (G-SHOCK), LED light (Super illuminator – selectable illumination duration (1.5 seconds or 3 seconds)
• World time – 31 time zones (48 cities) daylight saving on/off, home city/world time city swapping, 1/100- second stopwatch
• 5 daily alarms, Hand shift feature (hands move out of the way to provide an unobstructed view of digital display contents
• Button operation tone on/off, Approx. battery life: 5 years on CR2016
• Size of case/total weight: 57.5 x 53.4 x 18.4 mm / 69 g