以下　英文ですが仕入れ先からの説明文となります。

腕時計 シチズン Citizen JY8037-50E メンズ Navihawk A-T ブラック Ion プレート Perpetual カレンダー 腕時計Citizen JY8037-50E Men's Navihawk A-T Black Ion Plated Perpetual Calendar WatchGender:Men's, MPN:JY8037-50E, Features:Diver Watch//Water Resistant over 100 m, Movement:Quartz: Solar powered, Display:Analog & Digital, Watch Shape:Round, Case Material:Stainless Steel, Band Material:Stainless Steel, Style:Casual, Age Group:Adult, Model:JY8037, Year of Manufacture:2010-Now, Age:Modern (2000-present), Type:Sport, Water Resistance Rating:200 m (20 ATM), UPC:013205112065, Description:Model: JY8037-50E 750 Condition: 100% Authentic & Brand New Packaging: Original Box, Instructions, & Warranty Warranty Type: 5 Years Limited Warranty by Citizen The Citizen Watch Brand The company was established in 1924. The founding fathers selected the name Citizen so it would be "Close to the Hearts of People Everywhere" and soon after adopted the company’s formal name, Citizen Watch Company. During the last seventy-five years Citizen has expanded its business throughout the world and has achieved recognition as the global brand. The past twenty-five year period has coincided with the company’s dramatic rise to its current position as the world’s largest watchmaker, a distinction Citizen has held every year since 1986. Beyond sheer size, Citizen is also recognized as a worldwide leader in advanced technology. From the world’s slimmest LCD watch to the first voice recognition watch and the world’s first professional dive watch with an electronic depth sensor, Citizen’s record of "world’s firsts" is unmatched. More recently, Citizen has staked out a new position as the leader in Ecologically Friendly timekeeping with its Eco-Drives watches that are light powered. With models ranging from dress models to sports models to professional dive watches, Citizen Eco-Drive runs continuously in any kind of natural or artificial light for a lifetime of use. Fueled by light, it never needs a battery. Features Include:Ecologically Friendly, Solar Powered Eco-Drive Quartz Movement Stainless Steel Case and BandPush Button Butterfly Release ClaspAtomic Timekeeping TechnologySynchronized Time Adjustment - 43 World CitiesPerpetual Calendar Function1/100 Second Chronograph3 Hand Power Reserve IndicatorMultiple AlarmsAnalog and Digital DisplayAnti Reflective Mineral CrystalPilot's Rotating Slide Rule Dial RingScrew Down Case Back Case Size: 48 mm Diameter, 14 mm Thickness Water Resistant - 200 MCitizen 5 Years Limited Warranty and Box e201615248520