CERTINA DS Prima Generazione 36mm | In attesa di Brevetto Staybrite | Cal. 25-45 | Vintage 1960
4P - Pie Pan Patent Pending. Date of manufacture is 1959 or early 1960. Lug to lug: ~ 45,0mm. Automatic winding works very fine - rotor don't rub anything. Rubber strap that you can see at few photos not included - it's my strap for testing.