Rotonde de Cartier Astrotourbillon, Reference W1556221 | A limited edition niobium-titanium tourbillon wristwatch, Circa 2010 |卡地亞 | Rotonde de Cartier Astrotourbillon 型號W1556221 | 限量版鈮鈦金屬陀飛輪腕錶，約2010年製
Cartier Rotonde de Cartier Astrotourbillon, Reference W1556221 A limited edition niobium-titanium tourbillon wristwatch, Circa 2010 卡地亞 Rotonde de Cartier Astrotourbillon 型號W1556221 限量版鈮鈦金屬陀飛輪腕錶，約2010年製 Dial: grey Calibre: cal. 9460 MC mechanical, 17 jewels Case: niobium-titanium, sapphire crystal display back secured by 8 screws Case number: limited edition 13/50 Closure: black unsigned alligator strap and stainless steel buckle Size: 47 mm diameter Signed: case, dial and movement Accessories: 18k white gold Cartier folding clasp 附帶白金錶扣
