Early 1960s Certina DS | Ref. 346.825 | Cal. 25-66 | Vintage 1960s | Serviced

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The service and identification document is included in the price.

Collector Notes & Dating

Certina’s 1959 “Double Security” system—Swiss patent 346 825—suspended the movement on a rubber ring (yellow here), proven when DS watches accompanied the 1960 Dhaulagiri Himalayan expedition to 8,167 m. Swiss Patent 346 825 DS construction and in-house cal. 25-66 place this piece in the early 1960s; consistent with the turtle-back case and dial/handset style.

Specifications

Movement: Manual, Cal. 25-66, 17 jewels, ~19,800 vph, Incabloc + DS ring; fresh service 10/2025 — invoice included

Dial: Original champagne dial with applied 3/6/9/12 and batons; even vintage patina

Crystal: Domed acrylic (period-correct)

Case: Stainless steel, screw back with turtle medallion; DS floating shock ring (Swiss Patent 346 825)

Size: 36 mm (without crown) — Lug width: 18 mm

Crown: Signed Certina; winds and sets smoothly

Strap/Bracelet: Brown leather, 18 mm

Water-Tightness: Splash resistant (not for showering/swimming)

Box / Packaging: Box — secure black travel watch case

A serviced early DS with the iconic floating-movement system — original, wearable, and great value in vintage Swiss tool watches.

📦 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 and identifying 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.