Audemars piguet

Audemars Piguet 2120-1143/1, Oscillating weight

Audemars Piguet 2120-401, Winding stem, generic

Audemars Piguet 2120-445, Setting lever spring*

Audemars Piguet 3120-401, Winding stem, generic

Audemars Piguet K2050/B - 721, Balance, complete