https://youtu.be/aXtIC1xKptU ▐ Movement : Japanese Seiko Epson VX3PE ▐ Functions : Hour, Minute, Second, Day & Date ▐ Glass : Hardened Mineral Crystal ▐ Case : Brushed 316L Stainless Steel ▐ Case Measurement : 38 mm Wide, 7 mm Thick ▐ Water Resistance : 3ATM ▐ Strap : Two Interchangeable 18 mm Stainless Steel & Genuine Italian Leather ▐ Battery : SR920SW with Up to 3 Years Battery Life ▐ 2 Years Warranty New updated design! Now you can quickly customize the look of your watch to fit your mood and outfit with this set of two easily interchangeable straps. This updated design is minimal, thin but packed with lots of functions. Besides time you can keep track of weekdays and date with the two stylish calendar subdials. The watch size is perfect for most men and women with its 38 mm case width.