Seiko Presage Cocktail Time Modern Style Watch#SRPJ17J1Leather StrapBrown DialDate Indicator50m Water ResistanceAutomatic MovementCaliber 4R3523 JewelsPower Reserve: Approx. 41 HoursCurved Hardlex CrystalSee-Through & Screw Case BackCase Diameter: 39.5mmThickness: 11.8mmLug Width: 20mmWeight: 64g