CLAUDIA'S JEWELRY INC. We are CASIO-PRO TREK Authorized Dealer. We offer 100 % Authentic Watches,Original box,Manual,certificate of Authenticity card.Become “One with Nature” with the new PRW6611 that uses eco-friendly materials. Biomass plastic is used for the case, band, and back cover while maintaining a comfortable fit and high visibility. Featuring a big face, large hands and indexes are place on a large-diameter dial to improve the legibility, resulting in a functionally beautiful design. The dial uses easy-to-read Arabic characters and bar indexes to improve visibility. The stainless steel bezel engraved with the city codes and has hairline finish to give the bezel a sharp look. Equipped with multi-band 6 and tough solar, PRO TREK is always in pursuit of high functionality and practicality for various scenes.CASIO PRO TREK PRW-6600 SERIES PRW6611Y-1Specifications:Case size (L× W× H) 56.9 × 53.4 × 14.5 mmWeight 89 gCase and bezel materialCase / bezel material: Resin / Stainless steel Band Resin BandWater resistance 200-meter water resistanceEnvironmental resistance Low-temperature resistant (-10℃/14)Time adjustment Radio-controlled Watch; Multi band 6Power supply and battery life Solar poweredSensor feature Altimeter Measuring range: -700 to 10,000 m (-2,300 to 32,800 ft.)Measuring unit: 1 m (5 ft.)Manual memory measurements (up to 30 records, each including altitude, date, time)Auto log data (High/low altitudes, auto cumulative ascent and descent)Trek log data (up to 14 records of high/low altitudes, auto cumulative ascent and descent of particular treks)Others: Relative altitude readings (-3,000 to 3,000 m), Selectable measurement interval: 5 seconds or 2 minutes*1 second for first 3 minutes only *Changeover between meters (m) and feet (ft)Barometer Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Display unit: 1 hPa (0.05 inHg)Atmospheric pressure tendency graph (Past 42 hours of readings)Atmospheric pressure differential graphicBarometric pressure tendency information alarm (beep and arrow indicate significant changes in pressure)*Changeover between hPa and inHgDigital compass Measures and displays direction as one of 16 points Measuring range: 0 to 359° Measuring unit: 1°60 seconds continuous measurementGraphic direction pointer Bidirectional calibrationMagnetic declination correctionBearing memoryThermometer Display range: -10 to 60℃ (14 to 140) Display unit: 0.1℃ (0.2) *Changeover between Celsius (℃) and Fahrenheit ()Resin BandEnvironmental resistance Low-temperature resistant (-10℃/14)Power supply and battery life Solar poweredGlass Mineral GlassBezel features Direction Bezel World timeWorld time 31 time zones (48 cities + coordinated universal time), daylight saving on/offSunrise/sunset display Sunrise, sunset time display Sunrise time and sunset time for specific date, daylight pointersStopwatch 1/10-second stopwatch Measuring capacity: 999:59’59.9” Measuring modes: Elapsed time, split time, 1st-2nd place timesTimer Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)Alarm/hourly time signal 5 daily alarms (with 1 snooze alarm)Hourly time signalLight LED backlight (Super Illuminator) Full auto LED light, selectable illumination duration, afterglow Light color LED:WhiteCalendar Full auto-calendar (to year 2099)Mute feature Button operation tone on/offEnergy saving feature Power Saving (display goes blank to save power when the watch is left in the dark)Battery display/alert Battery level indicatorRun time Approx. battery operating time:7 months on rechargeable battery (operation period with normal use without exposure to light after charge)23 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)Accuracy Accuracy: ±15 seconds per month (with no signal calibration)Other features12/24-hour formatRegular timekeeping: Hour, minute, second, pm, year, month, date, dayTime adjustment detailsTime Calibration Signals Station name: DCF77 (Mainflingen, Germany) Frequency: 77.5 kHz Station name: MSF (Anthorn, England) Frequency: 60.0 kHz Station name: WWVB (Fort Collins, United States) Frequency: 60.0 kHz Station name: JJY (Fukushima, Fukuoka/Saga, Japan) Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga) Station name: BPC (Shangqiu City, Henan Province, China) Frequency: 68.5 kHzTime calibration signal reception Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful)*5 times a day for the Chinese calibration signal Manual receive The latest signal reception results Shipping & Payment PolicyShipping only to United States and Canada, We only ship when UPS, USPS and FEDEX are in operation.monday-Saturday,which excludes ,Sunday, and holidays. Standard Shipping average takes from 3 to 5 business days depending on location. We will ship items within 1-2 business day of receiving cleared payment, Items will be shipped only to confirmed addresses NO P.O. boxes accepted, All duties and taxes are the sole responsibility of the purchaser.We do not collect any United States sales tax on International orders, but ALL Duty fees, Customs, VAT, Import Taxes, or other point of entry charges for shipments to foreign countries outside of the continental United States that may be owed to that foreign country or its tax authority are to be paid by the customer or recipient of the International shipment. Contact your local customs office for information and an estimate of duties and taxes. Shipment and Online Tracking Details We will send you an email regarding the shipment of your order, as soon as the items are handed over to the Courier. These alert emails will contain the tracking number and courier company's website details along with expected date of delivery. You may also check the same on our order status page. Return PolicyIf you are not completely satisfied with your purchase,you may return your item please notify us of your intention to do so within three days of receipt of the order, please contact us directly for a return authorization,buyers will be responsible for return shipping charges also 10 % restocking fee will be charged as well, item must be returned immediately, in the condition in which it was received and Unworn Un-Sized The merchandise must be shipped fully insured for the full purchase price & with signature confirmation including all boxes, tags with original packaging, any type of alterations will void a return. Any item returned without a Return Authorization from us will not be accepted.