Calibre automatic watch Seiko NH32 movement Sapphir glass Watch details: Mechanical movement with automatic winding by Seiko NH32 stainless steel case, turnable bezel special case design waterproof 20 ATM Massive stainless steel metal band with butterfly clasp Screwed crown case diameter: approx. 40 mm without crown thickness approx. 13,5 mm sapphir glass the totally length of the strap appr. 22cm luminous hands and marks neutral box excellent condition unworn photos are part of the description inshured shipping is provided