Brand: Casio • Manufacturer no.: GA-2100-1A4ER • Manufacturer series: G-Shock 45mm • Functions: 12-/24 time mode, 5 day alarm, Automatic calender, Date, Day, Hour, Minute, Second, Shock resistant, Stop function, Timer, Worldtimer • Movement: Battery (quartz) • Dial color: Black • Display: Analog, Digital • Water resistant: 20 • Bezel: Fixed • Surface finish: Matted • Case color: Black • Case material: Resin • Case thickness: 11 • Case shape: Round • Case width: 45 • Caseback: screwed, Stainless steel bottom • Gender: Ladies, Mens, Unisex • Glas: hardened, Mineral glass • Lighting: LED Light • Style: Sporty • Strap material: Resin • Strap color: Black • Lug width: 25 • Clasp: Buckle clasp • Max wrist circumferences: 220 • Item weight: 0.05 • Scope of delivery: Box, Instruction, Packaging, Warranty documents"