When it comes to durability, few watches can match the legendary Certina DS-2. Nicknamed “The Tank,” this timepiece, produced around 1970, epitomizes resilience and functionality.
Thanks to its innovative design, including a unique rubber shock absorber, the Certina DS-2 can endure drops and impacts that would compromise other watches.
This article takes you through the stunning restoration of this manual-wind classic, captured in an ASMR-style video that has captivated millions of viewers.
A Watch Built to Last: The DS-2’s Ingenious Features
The Certina DS-2’s secret lies in its Double Security system. Its robust construction includes a rubber shock absorber, which effectively isolates the delicate movement from the outer case, absorbing impacts and protecting the internal mechanisms. The movement, the cal 25-661, is a marvel of engineering with 17 jewels, ensuring precision and reliability.
After restoration, the watch showcases exceptional performance, maintaining accuracy within a few seconds per day (+/-) and an amplitude of over 290 degrees.
The Restoration Process: A Journey of Precision

The watch arrived heavily worn, with visible scratches and signs of corrosion. Disassembling the DS-2 revealed the intricate craftsmanship hidden within. Each component was meticulously cleaned, polished, and restored.
Highlights of the Restoration:

- Disassembly: The watch was carefully taken apart, with all its components laid out to inspect the extent of damage.

- Cleaning: The parts were cleaned using specialized tools, including ultrasonic baths, to remove decades of grime.

- Polishing: The crystal and case underwent precision polishing, restoring their shine while preserving the original contours.
- Reassembly and Calibration: Finally, the components were reassembled, and the movement was calibrated to ensure top-tier performance.
A Timeless Transformation

The results speak for themselves. From a scratched and aged relic, the Certina DS-2 has been reborn into a gleaming, functional masterpiece. The black dial, accentuated by the bold red second hand and sleek white markers, now shines like it did in its prime.

Why the DS-2 is a Collector’s Dream
Collectors and enthusiasts value the Certina DS-2 not only for its ruggedness but also for its timeless design. It’s a watch that tells more than time—it tells a story of enduring quality and innovation.
Watch the Full Restoration
Experience the incredible transformation of this vintage Certina DS-2 by watching the video below.
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