Seiko Prospex SPB159J1 SPB159J SPB159 Alpinist Automatic 24 Jewels Black Gradient Dial Watch

Seiko Prospex Divers SPB159 SPB159J1 SPB159J Mechnaical Mens WatchSpecifications:Seiko Prospex Alpinist SeriesBlack Gradient Dial#SPB159J1200m Water ResistanceLeather Calfshin BandStainless Steel CaseDate DisplayCurved Sapphire GlassAutomatic with Manual Winding)Caliber 6R3524 JewelsLumibright on Hands & IndexesAnti-Reflective Coating on the InsideScrew BackScrew Down CrownSee-Through Case BackSecond Hand Stop FunctionAccuracy: Daily Difference +25 Seconds ~ -15 SecondsDrive Period: Lasts for About 70 Hours at Maximum HoistingCase Size Horizontal: 38mmCase Size Vertical: 46mmCase Size Thickness: 12.9mm