Brand: Casio • Manufacturer no.: GM-S2100B-8AER • Manufacturer series: G-Shock 41mm • Functions: 12-/24 time mode, 5 day alarm, Automatic calender, Date, Day, Hour, Minute, Second, Stop function, Timer, Worldtimer • Movement: Battery (quartz) • Dial color: Black • Display: Analog, Digital • Water resistant: 20 • Bezel: Fixed • Surface finish: Polished • Case color: Black • Case material: Stainless steel, Synthetic resin • Case thickness: 11 • Case shape: Round • Case width: 41 • Caseback: screwed, Stainless steel bottom • Gender: Ladies, Mens, Unisex • Glas: hardened, Mineral glass • Lighting: Illuminator • Style: Sporty • Strap material: Resin, Stainless steel • Strap color: Black • Lug width: 22 • Clasp: Buckle clasp • Max wrist circumferences: 210 • Item weight: 0.06 • Scope of delivery: Box, Instruction, Packaging, Warranty documents"