Royal Oak Tourbillon Extra-Thin Purple Dial in Steel 2018 SIHH Ref. 26522ST

Size: 41mm x 12.5mm
Movement: Asian Seagull hand-winding tourbillon movement
Functions: Hours and minutes display
Case: Solid 316L stainless steel case
Crystal: Scratch-proof sapphire crystal
Dial: Purple dial
Bezel: Brushed/Polished solid 316L stainless steel bezel 
Strap: Solid 316L stainless steel bracelet
Clasp: Deployment clasp
Water resistance: >50 Meters