Eberhard & Co. - "8 Jours" (8 Days) Power Reserve - Ref. 21017 - Serial 6671 - Men - 2000-2010Item Description:Up for auction is a remarkable Swiss luxury dress watch, the Eberhard & Co. "8 Jours" (8 Days), reference 21017. This masterpiece of high horology is world-famous for its patented mechanical complication: a manual-wind movement capable of running for 8 consecutive days on a single full wind, achieved through a unique dual-spring system.The crisp white dial features elegant Roman numerals, a sub-seconds register at 6 o'clock, and the distinctive, asymmetric 8-day power reserve indicator at 9 o'clock.Technical Specifications:Brand: Eberhard & Co.Model: 8 Jours (8 Days)Reference Number: 21017Individual Serial Number: 6671Movement: Patented manual-wind movement (Eberhard modification on Peseux 7001 base)Case Material: High-grade polished stainless steelStrap: Black genuine crocodile leather strap ("Croco Veritable") with original Eberhard buckleCase Diameter: approx. 39.5 mm (excluding crown)Water Resistance: 3 ATM (30 meters)Functions: Hours, minutes, small seconds at 6 o'clock, 8-day power reserve indicator at 9 o'clockCondition Report & Important Notes (Please read carefully before bidding):Accessories: The watch is sold WITHOUT the original box and WITHOUT papers. The auction includes strictly the watch itself, exactly as shown in the photographs.Cosmetic Condition: Pre-owned vintage condition. The polished stainless steel case and the caseback display normal surface micro-scratches and light hairline marks from careful wear, which are fully visible in the high-resolution images. The dial, sapphire crystal, and hands are in flawless, pristine condition. The genuine leather strap is clean and in very good, wearable condition.Working Condition: The movement is fully operational, winds smoothly all the way up to the 8-day mark, and keeps precise time.Please study the high-resolution photographs carefully, as they represent the definitive and binding description of the watch's physical condition. Sold "as is".