SEIKO ASTRON SBXB117 / SSE117 GPS SOLAR WORLD-TIME TITANIUM WITH BLUE SAPPHIRE LIMITED EDITION 2,500Seiko's 135th anniversary & Astron's 5th anniversary ModelNatural Blue Sapphire x5Seiko ASTRON limited ModelLimited 2,500MADE IN JAPANPRODUCT DESCRIPTIONBrand : SeikoSeries : AstronModel number : SBXB117 / SSE117Release Date : 26 November 2016Driving system : GPS Solar World-TimeCase : Titanium case Bezel: ceramics Case back: titaniumCase coating : Dia shieldGlass : Sapphire crystalGlass coating : Super-clear coatingLumibright : Hands and indexesDrive duration : Operating for approx. 6 months (when fully charged), power save: approx. 2 yearsAccuracy : Accuracy: Except automatic time reception ±15 seconds per month (average)Water resistance : 10 bar water resistanceMagnetic reluctance: Magnetic resistanceSize : H55.8mm x W44.8mm x D12.4mmPRODUCT FEATURES"LIMITED EDITION" engraved on the case backSerial number engraved on the case backScrew case backAgainst allergy to metalOvercharge prevention functionPower savePerpetual calendarWorld time function (40 time zones)Power reserveTime zone adjustment by receiving gps signals from gps satellites, automatic time adjustment functionSatellite acquisition status display functionReception result display functionFunction to prevent the gps signal reception function from working (in-flight mode)Automatic hand position alignment function3 YEAR WARRANTY