From Eberhard & Co., one of the most prestigious and historic manufacturers in Swiss chronograph history, this is an exceptional masterpiece produced in 1987 in a strictly limited run of only 699 pieces (Edition d’anniversaire – Limitée à 699 Chronographes) to celebrate the brand's 100th anniversary (1887–1987), bearing the individual issue number 481/699. Featuring a classic porcelain-white dial, blued steel hands, a Moonphase indicator, a Triple Calendar (Day/Month/Pointer Date) complication, a 24-hour day/night register, and a distinctive blue cabochon winding crown, it stands as a true pinnacle of Swiss high horology. ​Technical Specifications ​Brand / Model: Eberhard & Co. SA 1887–1987 Edition d'Anniversaire (Centenary Collection) ​Limited Edition Number: No: 481 / 699 (Limited to only 699 pieces worldwide) ​Movement: Powered by an original Swiss-made, 17-jewel (17 Jewels), gilded and perlage-finished Valjoux 7751 Automatic Chronograph caliber, renowned as one of the most reliable and sophisticated complication movements in Swiss watchmaking history. The decorated movement and oscillating weight are displayed in full detail in image ​Complications & Functions: ​12-hour and 30-minute chronograph counters (Stopwatch) ​Moonphase indicator adorned with gold stars at 6 o'clock ​Dual day and month aperture windows at 12 o'clock (German day/month disc: DON / NOV) ​Perimeter Pointer Date indicated by a blued crescent-tipped hand ​24-Hour / Day-Night subdial integrated at 9 o'clock ​Case Dimensions: Approximately 41 mm including the winding crown and pushers (approximately 37.5 - 38 mm excluding the crown / vertical lug-to-lug stance approximately 45 mm). With its elegant stepped gold-plated bezel, it delivers a very substantial, noble, and commanding wrist presence The case side profile can be inspected in images ​Case & Crown Structure: Gold-plated solid case paired with a stainless steel screw-down caseback. The winding crown features a refined blue cabochon stone insert Due to age and regular use, hairline scratches true to vintage wear are present across the case, bezel, and pushers ​Caseback: Original stainless steel screw-down caseback. The outer surface features the crisp commemorative engravings: "EBERHARD & Co. S.A. 1887 - 1987 / Edition d'anniversaire / Limitée à 699 Chronographes / No 481/699" ​Dial and Hands: An original dial set against a pure white background, featuring applied gold indices, blued chronograph and calendar hands, gold central hour/minute hands, and the "EBERHARD & Co. S.A. 1887-1987 AUTOMATIC" signature at 3 o'clock ​Condition & Accessories Details ​Operational Status: The Valjoux 7751 movement, all chronograph start-stop-reset functions, calendar day/month/date transitions, and moonphase complication ​Strap & Buckle: Fitted with a brand-new black leather strap featuring an alligator skin grain pattern, paired with a matching gold-toned buckle Please note that the strap and buckle are non-original (aftermarket). ​Please Note: Produced in a strictly limited batch of 699 pieces for Eberhard & Co.'s 100th jubilee, this Valjoux 7751-powered timepiece represents an investment-grade collector's watch that enjoys strong global auction interest. Details such as age-appropriate hairline marks on the case and the aftermarket strap . Due to its vintage/antique nature, no water resistance warranty is provided. For cross-border or international shipments, any potential customs duties, taxes, or additional clearance fees are entirely the responsibility of the buyer. Please review all macro photos carefully before finalizing your purchase.