Brand: HAMILTON Product Name: Khaki King Model Number: H644510 Specifications: Quartz / Day-Date Size: Approx. 40mm x 40mm (excluding crown) Wrist Circumference: Approx. 18cm Material: Stainless Steel Strap: Leather Water Resistance: 50m Crystal: Sapphire Description: This is the HAMILTON Khaki King H644510. It features the traditional “crown mark” design from the first generation Khaki King, which disappeared from quartz watches for a time, making this a model packed with the appeal of the Khaki King.