Brand Seiko Model Number 8T63-00D0 Accessories Instruction manual, case, extra links Serial Number 443797 Movement Quartz Material SS (Stainless Steel) Size Case width (excluding crown) x Thickness x Wrist circumference (inner diameter) x Weight Approx. 42.8mm x 11.8mm x 15cm x 112.6g Color Black dial Condition Almost new condition.