Casio G-Shock x DW-001 Series ft. Capsule Tough Men Sports Round 200m Water Resistant Watch G-B001RG-3D GB001RG GB001 G-B001 G-B001RG Casio G-Shock G-B001 series, a modern evolution of the 1994 DW-001 with the iconic Capsule Tough design. Features Carbon Core Guard structure, a detachable double-bezel system, and Smartphone Link via Bluetooth for precise timekeeping. Shock-resistant with 200m water resistance, world time across 38 zones, 1/100-sec stopwatch, countdown timer, 5 daily alarms, and Super Illuminator LED backlight. Module / Movement 3519 (quartz) Battery Life / Accuracy Approximately 3 years (+/-15 seconds per month) Crystal Mineral crystal Light LED backlight (super illuminator, auto light switch, selectable illumination duration, afterglow) Case / Band Material Carbon / resin case with resin band Water Resistance 200m / 20 bar Case Size Thickness: 18.7 mm Diameter: 47.0 mm Length: 50.3 mm Lug width: Integrated Other Specifications Casio G-Shock x DW-001 Series ft. Capsule Tough Shock resistant Carbon core guard structure World time (38 time zones, city code/name display, daylight saving on/off, auto summer time switching, home/world time switching swapping) 1/100-second stopwatch (up to 24 hours, elapsed time, split time) 1-second countdown timer (up to 24 hours) 5 daily alarms Hourly time signal Full auto-calendar (to year 2099) Button operation tone on/off 12/24-hour format Date/month display swapping Day display (days of the week selectable in six languages) Regular timekeeping (digital display) Smartphone Link / App Connectivity Features Mobile link (wireless linking via Bluetooth) Auto time adjustment Easy watch setting Approximately 300 world time cities Time and place Phone finder