NOS unused 1960s-1970s old-stock brown leather rally watch strap with current yellow gold-tone buckle. The buckle is 16mm inside, we black switch to production polished or bead blasted stainless steel for no extra charge. The ends are 19mm. Spring bars are included The length end to end excluding the buckle is 7 1/2" (190mm) 75/115. 45C.25106