The Daniel Wellington Classic Black watch DW00100143 is a lightweight and elegant Solo Tempo watch with ultra-thin case: Japan Citizen Quartz movement 1L22. 36mm steel case. Case Thickness 6mm. Black dial color. Strap width 18mm. Leather strap. Brown Strap Color Interchangeable straps Yes. Water resistant up to 3ATM (resistant to rain). Packaging: Official Warranty Daniel Wellington 24 months. Elegant leather case. User manual. Accessory for changing straps.