BVLGARI ERGON REF. EG 40 G CH IN YELLOW GOLD - From 2018 Reference N° EG 40 G CH Serial N° D 0219 Year: 2018 circa Material: 18k yellow gold Weight: 202g Dimensions: 40mm Caliber: Automatic Crystal: Sapphire Strap: Leather with original gold deployant Accessories: Unusual Bulgari Ergon in massive yellow gold case, well preserved and currently working.