Brand: Casio • Manufacturer no.: GM-2100-1AER • Manufacturer series: G-Shock • Functions: 12-/24 h, 5 day alarm, Automatic calender, Date, Day, Hour, Minute, Month, Second, Shock resistant, Stop function, Timer, Worldtimer • Movement: Battery (quartz) • Dial color: Grey • Display: Analog, Digital • Water resistant: 20 • Bezel: Fixed • Surface finish: Matted, Polished • Case color: Silver • Case material: Resin, Stainless steel • Case thickness: 12 • Case shape: Rectangle • Case width: 44 • Caseback: screwed, Stainless steel bottom • Gender: Mens • 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: 0.07 • Scope of delivery: Box, Instruction, Packaging, Warranty doc."