MB&F HM1, A RARE LIMITED PRODUCTION PINK GOLD SEMI-SKELETONISED TOURBILLON WRISTWATCH WITH POWER RESERVE INDICATION, CIRCA 2010MB&F | HM1, A RARE LIMITED PRODUCTION PINK GOLD SEMI-SKELETONISED TOURBILLON WRISTWATCH WITH POWER RESERVE INDICATION, CIRCA 2010Case No: 15Calibre: Automatic, signedDial: Semi-skeletonised, signedCase: 64mm, 18k pink gold, screwed case back, signedStrap: Maker's endangered species, 18k pink gold double folding clasp, signed MB&F，「HM1」，罕有限量玫瑰金自動上弦鏤空陀飛輪腕錶，配動力儲存顯示，年份約2010。買家於購買後六個月內可享受免費機芯保養，包括將腕錶從任何MB&F零售商寄至瑞士的運費。還將提供一年保養。Special thanks to MB&F for the generous after sale offer - a complimentary watch service for the successful buyer of this watch within six months after purchase, including shipping fee of the watch to the MB&F atelier in Switzerland from any MB&F retailers. A one year warranty will also be provided.The HM1 was launched as a flagship timepiece for MB&F in 2007, it was the world's first movement with four barrels in parallel as well as the first wristwatch movement to have energy transmitted to the regulating system from two sources simultaneously. The HM1's 3D, figure 8-shaped case and a 60-second tourbillon that has been elevated in the middle of the dial creates a unique timepiece that both captivate the eye and challenge the mind.