The Railroad Approved designation means it's highly accurate and readable - great for any job where accuracy is important. Readable dial with large black numerals 1 through 12 and smaller red numerals for 24 hour (military) time. Day & Date Display Date can be set to display in English or Spanish day names Stainless Steel Case and Bracelet with gold-tone accents and push-button folding safety clasp 100 Meters water resistant (suitable for swimming, showering or snorkeling) Luminous hand and markers for night-time visibility Overall width of watch, 1 3/8 inches (38 mm) not including setting crown.