Vacheron Constantin, Very Fine Perpetual Calendar, Ref. 43031 "Sigma Dial", circa 1990's Case: 18k yellow gold, 36 mm, 18k yellow gold, two body case, with snap on caseback, No. 626369 Dial: white, 18k gold applied gold hour markers, apertures for perpetual calendar indicators, gold baton hands Movement: VC Cal. 1120, self winding ultra thin, 36 jewels, rhodium finished, perpetual calendar module, Geneve Seal Hallmark, No. 797749 Band: original leather band and 18k gold buckle Signed: Vacheron Constantin on the dial, case, movement and buckle Lot is accompanied by the original wooden presentation box, Certificate of Origin, booklets and hang tag. HID03101062020 © 2020 Heritage Auctions | All Rights Reserved