Audemars Piguet AP
Stainless Steel Crown Screw on 183006 B+ C 4647 / 4332 the first royal oak
GENUINE ORIGINAL VINTAGE NOS RARE
Crown is 4,6mm in diameter (flat to flat, hexagon).
Thread is 0.8 mm
Total height 7.45 mm
Stainless steel part of "stem" is 1.94mm (round).
Springy part of "stem" is 1.44mm (flat to flat, hexagon).
Shipping is with tracking and a signature upon arrival.