ModelJD-01:Specificatons •Case Size:40mm •Case Thickness:14.5mm •Case Material :316LStainless Steel •Dial Material :EngravedBrasswith color coating •Strap :Rubber •Strap Width : 20-18mmtapered •Buckle :316LStainless steel •Movement :Seiko NH35 automatic •Power Reserve : 41 hours •Glass Material : Antireflectivesapphireglass •Water Resistant :10ATM /100M •Interchangeable Strap :Yes •WatchModel :JD-01 •3 color Variant: