Breitling Factory Navitimer Pusher Stainless Steel 4.17 mm 2 pieces
Press in type pusher. This is a set of "2 " pushers, this is the part number and case number for the stainless, (stainless, 160.436 and case number, A23322). 4.17 mm and about 2.9 long, Approx. 9.12 mm total length.