Watchcase Diameter: 4.5cmBand Length (Included the case): 25.0cm1X Watch (NO Retail Box. Packed Safely in Bubble Bag)Leather watch band,With calendar funtion, DesignHow to set Date:If the watch is on normal position(A gear),then we lightly,we will be at B gear,we turn it counter-clockwise at B gear,then we can set Date and if we further more then we will at C gear,then we can set time.Watchband Width: 2.2cmThe for your friends and family and and Perfect Gift for St. Valentine’s Day Christmas, New Year, Thanks Giving Day, BirthdaysProduct selling point：Words and pointer in the dark will be luminousBand material:Leather Case material: Stainless steelHigh strength glass and Quality quartz movementDiameter of watch dial :4.5 cm,Watch band adjustable from 17.50-24.5cm,weight:45g