SEIKO 5 Sports Limited Edition Retro Automatic SRPA91K1Caliber: NEW 4R36 Automatic winding type with manual winding mechanism24 Jewels Made in JapanA window at the 6 o'clock hour reveals the automatic day calendar.Metal: Stainless steelSize: 44.5mmBand: CanvasWater resistance: 100 metersGlass: Hardlex CrystalDial: Blue