Citizen Promaster x Eco-Drive ft. Skyhawk U830 Men Formal Round 200m Water Resistant Watch JV2006-55H JV2006 JV-2006 Elevate your performance with the Citizen Promaster Skyhawk U830 - a 43mm chronograph featuring an analog-digital dial and slide-rule bezel. Built for action with 200m water resistance, 1/100-second chronograph, perpetual calendar, and countdown timer. Powered by Eco-Drive technology for precision in any adventure. Caliber Number / Movement U830 (Eco-Drive aka solar powered) Power Reserve / Accuracy Approximately 12 months when fully charged (+/-15 seconds per month) Crystal Sapphire crystal (anti-reflective coating) Luminous / Light Luminous on hands and indexes LED light Case / Band Material Stainless steel case with stainless steel band (three-fold clasp with secure lock, push-button release) Water Resistance 200m / 20 bar Case Size Thickness: 14.0 mm Diameter: 43.0 mm Length: 49.3 mm Lug width: 22.0 mm Other Specifications Citizen Promaster x Eco-Drive ft. Skyhawk U830 Bidirectional rotating bezel (slide rule) Screw case back Alarm function (dual alarm, demonstration function) Summer time (manual switching) World time function (43 areas, 29 time zones) Perpetual calendar (until 31 December 2199) Chronograph up to 60 minutes in 1-second increment 1/100-second stopwatch (up to 24 hours, lap/split timing up to 999 times) Memory capacity (latest 60 lap/split timing) 1-second countdown timer (up to 99 minutes and 59 seconds) MIP (Memory In Pixel) LCD display Light level indicator (7 days record) Power reserve indicator Overcharge prevention function Insufficient charge warning function Impact detection function Day, date, month, dual-time and 24-hour display Regular timekeeping (analog-digital display) Enhanced Features and Functions Calculator function (simple multiplication, division and ratio) Conversion (distance, volume and weight) Motor sports function (time needed, speed, driving distance, fuel consumption/rate, drive time) Aviation function (time needed, flight distance, fuel consumption/rate, flight time)