• Manufacturer no.: ES-8244-44 • Manufacturer series: Bertha Open Heart Skeleton Limited X/500 • Functions: Hour, Minute • Movement: Automatic • Dial color: Grey • Display: Analog • Water resistant: 5 • Bezel: Fixed • Surface finish: Matted • Case color: Black, Silver • Case material: Stainless steel • Case thickness: 14 • Limited edition: X / 500, Yes • Case shape: Round • Case width: 42 • Caseback: Glas bottom, screwed • Gender: Mens • Glas: hardened, Mineral glass • Style: Modern • Strap material: Stainless steel • Strap color: Silver • Lug width: 22 • Clasp: Folding clasp • Max wrist circumferences: 210 • Item weight: 0.15 • Scope of delivery: Box, Instruction, Packaging, Warranty doc.