CVSTOS Challenge Chrono Sprint Steel / Navy Blue Ltd edition

CVSTOS Challenge Chrono Sprint Steel / Navy BlueCvstos Chrono Sprint Steel / Navy Blue , 41 mm, Cvstos CVS556 SPRT, Self-winding mechanical, Rhodium treated, Tungsten alloy rotor, with function Hour, minute, seconds, In-line day/date, Average Speed Indicator.41mm / B01107.4103002100 Meters / 10 ATMCASEChallenge, Tonneau-shaped 53.7 x 41 mmMaterial & ColorSteel, Navy BlueCrystalSapphire with none-reflective coating on both sidesCasebackOpen with sapphire crystalCrownScrew-down, polished Titanium Grade 5, rubber insertScrewsPolished Titanium Grade 5 exclusive CVSTOS TECHNOLOGY patternDIALSemi-openwork dial with a matt PVD coating. In-line day/date indicator apertures at 6 o’clock. Oversized 30-minute counter positioned at 12 o’clock with an average speed indicator measured in kilometersColorNavy Blue, YellowIndexesSuper-Luminova treatedHandsPierced, PVD coated and Super Luminova treatedMOVMENTCvstos CVS556 SPRT, Self-winding mechanical, Rhodium treated, Tungsten alloy rotorFunctionsHour, minute, seconds, In-line day/date, Average Speed IndicatorPower-Reserve48 hoursFrequency28,800 vibrations/hourNumber of Jewels25BRACELET/STRAPRubber with an exclusive design matching the dial’s design, double-blade folding clasp with push-pieces