Greubel Forsey Quadruple Tourbillon

Quadruple Tourbillon à Différentiel Sphérique | A limited edition platinum differential quadruple tourbillon wristwatch with power reserve indication, Circa 2021 | 限量版鉑金四體陀飛輪腕錶，備動力儲備顯示，約2021年製 Greubel Forsey

Greubel Forsey Quadruple Tourbillon à Différentiel Sphérique A limited edition platinum differential quadruple tourbillon wristwatch with power reserve indication, Circa 2021 限量版鉑金四體陀飛輪腕錶，備動力儲備顯示，約2021年製 Dial: silvered Calibre: cal. GF03 mechanical, 63 jewels Case: platinum, sapphire crystal display back secured by 6 screws Case number: limited edition 17/44 and 01’486 Closure: black unsigned leather strap and platinum Greubel Forsey folding clasp Size: 43 mm diameter Signed: case, dial and movement Accessories: Greubel Forsey Certificate of Authenticity and International Warranty, product literature and presentation box 附帶證書、腕錶文獻及盒子