Omega Seamaster COSMIC Automatic | Ref. 166026 | Cal. 565 | Vintage 1970 | Serviced

The Omega Seamaster COSMIC Automatic Ref. 166026, powered by the reliable Caliber 565, is a distinguished vintage timepiece from 1970. Renowned for its robust automatic movement and sleek design, this watch exemplifies Omega’s commitment to precision and durability. Its classic aesthetic and historical significance make it a prized addition for collectors and enthusiasts seeking authentic Swiss craftsmanship.

55 years old — Omega — Seamaster COSMIC Automatic — 166026 — 565 — 1970 — Serviced
1970 Omega Seamaster Cosmic—fresh service, quickset date, 36 mm gold-plated steel elegance.

Collector Notes & Dating
Classic late-60s/1970 Omega design with robust Cal. 565 and quickset date. This example is dated to 1970 and has just been serviced (15-07-2025) for reliable daily wear. Original dial and period-correct acrylic crystal complete the look.

SPECIFICATIONS
Movement: Omega Cal. 565 automatic, 24 jewels, 19,800 A/h; serviced 15-07-2025.
Dial: Original vintage condition with applied Omega logo.
Crystal: Acrylic (period-correct).
Case: Stainless steel with 20 μm gold-plating.
Size: 36 mm diameter (without crown).
Crown: signed
Strap/Bracelet: Leather strap.
Water-Tightness: Splash resistant; avoid showering/swimming.
Box / Packaging: Not specified.

A serviced, quickset Cal. 565 Seamaster Cosmic—ready to enjoy and easy to resell.📦 What’s Included 
Box/Case: Secure black travel watch case.
Documents: Invoice and our service certificate worth €369 — included free of charge 

🚚 Shipping, Returns
Insured worldwide shipping. 14-day inspection (unused, seals intact). Pro packing with tracking.

🛎️ Call-to-Action
Questions or an offer? Click “Negotiate Your Price.” Serious collector inquiries welcome.

🔧 Included Service Benefits 

💰 If you ever decide to sell the watch, a documented service will significantly enhance its market appeal and resale value.

🛠️ A professional service worth €369 — included free of charge.

The service includes:
Full disassembly, ultrasonic cleaning, and lubrication using Moebius synthetic oils
Regulation and timing adjustment
Ultrasonic case and bracelet cleaning (if applicable)
Final technical & aesthetic inspection

📄 An official service certificate is provided, listing key technical details — ideal for insurance, provenance, or future resale.

🛡️ This ensures peace of mind and removes the need for servicing for the next 3–5 years.