Citizen Promaster x Eco-Drive ft. Avion Men Casual Formal Round 200m Water Resistant Watch BX1010-02E BX1010 BX-1010Experience precision and style with a watch that's as rugged as it is refined. Featuring a compass, altimeter, and Eco-Drive technology, this timepiece is the ultimate companion for adventure-seekers and professionals alike, providing reliable performance and effortless sophistication.Caliber Number / MovementE784 (solar Eco-Drive)Power Reserve / AccuracyApproximately 8 months when fully charged (+/-15 seconds per month)CrystalMineral crystalLuminousLuminous on hands and indexesCase & Band MaterialStainless steel case with leather bandWater Resistance200m / 20 barCase SizeDiameter: 44.0 mmOther SpecificationsCitizen Promaster x Eco-Drive ft. AvionScrew case backDate displayInsufficient charge warning functionOvercharge prevention functionPerpetual calendarWorld time (26 time zones)Summer time on/offRegular timekeeping (analog display)