• Manufacturer no.: SMWGI2101431 • Manufacturer series: Blackbird Chrono 44 mm • Functions: Chronograph, Date, Hour, Minute, Second • Movement: Battery (quartz) • Movement label: 3540D, Ronda • Dial color: Black • Display: Analog • Water resistant: 10 • Bezel: Fixed • Surface finish: Matted, Polished • Case color: Black • Case material: Stainless steel • Case thickness: 13 • Case shape: Round • Case width: 44 • Caseback: screwed, Stainless steel bottom • Gender: Mens • Glas: anti-reflecting, Saphire glass • Style: Sporty • Strap material: Stainless steel • Strap color: Black • Lug width: 22 • Clasp: Folding clasp • Max wrist circumferences: 210 • Item weight: 0.19 • Scope of delivery: Box, Instruction, Packaging, Warranty doc.