3075. Louis Erard. A black PVD coated stainless steel manual wind wristwatch with power reserve indication Louis Erard. Montre bracelet en acier et PVD noir mouvement mécanique avec indication de réserve de marche Model: Le Régulateur x Alain Silberstein, Limited Edition No.1 of 178 pieces Reference: LE54230NS62.BVA09 Date: Purchased August 2020 Movement: 21-jewel manual wind Dial: Black, applied yellow minute markers, white outer minute divisions, subsidiary dial at 12 for hours, running seconds at 6, power reserve indication at 9, yellow hand for minutes Case: Black coated round, exhibition back secured by 6 screws Strap/Bracelet: Black leather Buckle/Clasp: Signed black coated buckle Signed: Case, dial & movement Size: 40mm Accompaniments: Fitted box, outer card, International Guarantee card dated 08/2020, Certificate of Authenticity, Instructions manual