Certina Argonaut 220 – Vintage 1970s, Serviced, Cal. 25-66, NOS Strap For sale is an original Swiss Certina Argonaut 220, produced in the 1970s. This model features a distinctive geometric case and refined minimalist design characteristic of the era. Key Information Brand / Model: Certina Argonaut 220 Country of production: Switzerland Movement: manual, Certina cal. 25-66 Jewels: 17 jewels Case: stainless steel Crystal: acrylic Strap: original Certina – NOS (new old stock, unworn condition) Movement Certina 25-66 manual winding 17 jewels in-house manufacture movement The movement is fully functional. The watch was professionally serviced 4 months ago. Serial Numbers & Markings Reference / serial number: 5201 220 7362676 Inner caseback: CERTINA – WATCH CO. SWISS – STAINLESS STEEL Movement signed: CERTINA 25-66 – 17 JEWELS – SWISS Crown: original, signed Case stainless steel solid, geometric 1970s design brushed finish original caseback Dial & Design Details The dial reflects clean Swiss minimalism with strong influence from 1970s modernist design: silver dial with subtle satin finish crosshair layout, enhancing symmetry and visual balance Hour markers: applied, geometric block-style indices sharp edges creating strong light reflections evenly spaced, forming a harmonious, architectural composition Hands: straight baton-style hands with clean, functional lines perfectly matched with the indices excellent legibility The overall design is elegant, structured, and timeless—typical of high-quality vintage watches. Condition fully functional watch movement serviced case shows signs of wear consistent with age dial in good condition original Certina strap – NOS, perfect condition Summary An original Certina Argonaut 220 – a classic 1970s vintage timepiece with an in-house movement and distinctive period design. A great choice for collectors or as a stylish everyday watch with character. Pictures are a parto od the description. Fast, insured shipping via DPD or DHL courier.