Audemars Piguet, AP

Mainspring, 0.48 x 0.100 x 270 x 7.50, Manual, Audemars Piguet 2003 (T-End)

Mainspring, 0.63 x 0.100 x 340 x 9.00, AUTOMATIC, AP Audemars Piguet 2120 2121

Mainspring, 0.68 x 0.076 x 305 x 7.00, Manual, Audemars Piguet 2080

Mainspring, 0.76 x 0.085 x 360 x 8.00, Manual, Audemars Piguet 2090

Mainspring, 0.82 x 0.062 x 230 x 5.50, Manual - DB End, Audemars Piguet 2050 2052 [GR2242DB]

Mainspring, 0.97 x 0.083 x 360 x 8.00, Manual, Audemars Piguet 3090

Mainspring, Automatic, Audemars Piguet = AP 3120

Stem, Audemars Piguet 2120, 2121, Tap 8 #401 (Generic, Swiss)