Hamilton Khaki Navy Pioneer Small Second Auto Reference H78465553. For sale, almost like new, only worn a couple times. Strap is still very stiff. 10 bar water resistance, 9.8mm thickness, 40mm case width, 20mm lug width. Everything included, original box, papers, even blank warranty card! Full information: https://www.hamiltonwatch.com/en-us/h78465553-khaki-navy-pioneer-small-second-auto.html