Seiko Essentials Collection Two-Tone Stainless Steel Case White Dial Day/Date Calendar Stylized Arabic Numerals Caliber 6N23 25.5mm SUR438CASE: Two-tone stainless steel caseCRYSTAL: Hardlex crystalWATER RESISTANCE: 10 bar, 100 meters (330 feet)DIAL COLOR: WhiteSTRAP: Two-tone stainless steel braceletLUG WIDTH: 13mmDIAMETER: 25.5mmTHICKNESS: 8.57mmFrom the Essentials CollectionWhite dialDay/date calendarStylized Arabic numeralsCaliber 6N23