Stainless steel; sapphire crystal; TK; Case size: 40.5mm; Folding clasp closure and pin buckle closure; Water resistant to 20 ATM; Swiss mechanical automatic movement; Multifunction dial with decompression function; 4th hand & rotating bezel with global time function; Interchangeable stainless steel mesh bracelet & rubber strap; Manufacturer's 2-year limited warranty; Photo may have been enlarged and/or enhanced; Made in Switzerland