Powerful. Distinct. Refined. The reimagined Citizen Series 8 collection of mechanical watches features elevated styles and high-performance automatic movements to fit every occasion. The new 870 epitomizes this work, presenting a contemporary and sporty design that pairs substance with refinement in all its attributes.A silver-tone stainless steel case just under 41mm enables comfortable wear with its integrated construction and two-tone bezel highlighting Citizen's expert finishing abilities. A handsome tapered bracelet secures the watch to the wrist, its design following the aesthetic of the case in its use of polished and brushed facets. Beneath a sapphire crystal, the watch's textured gray dial features rose gold-tone applied indices and lume-filled hands, each working together to offer incredible legibility alongside a utility-driven 3 o'clock date window. Water resistant up to 100 meters. Caliber 0950. Product Details MODEL NA1034-51H 3/18/2024 MOVEMENT TECHNOLOGY 0950 Automatic Powered by the release of a wound spring, mechanical movements never require a battery. Automatic mechanical movements have an oscillating weight that winds the spring with the motion of the wearer’s arm. CASE WIDTH (MM) 40.8 BAND TYPE Bracelet Stainless Steel CASE MATERIAL Silver-Tone Stainless Steel CRYSTAL Anti-Reflective Sapphire Crystal Impact and shatter resistant - anti-reflective coating deflects light CLASP Fold Over Clasp with Hidden Push Buttons DIAL Gray WATER-RESISTANCE WR100/10Bar/333ft [Swimming, Showering & Snorkeling] ADDITIONAL FUNCTIONS 50 Hour Power Reserve -5~+10 s/d Antimagnetic 16000