Zenith XL-Tronic - 20-866-5000 seiko Likely originating from the 1970s

Likely originating from the 1970s

elegant silver dial

This Seiko Quartz Tank is a beautiful example of minimalist

unexpected find

The robust case and integrated bracelet are crafted from lightweight and durable Titanium

Zenith XL-Tronic - 20-866-5000 seiko Likely originating from the 1970sThis is the Zenith that proves the brand was at the cutting edge, even as the watch world was changing forever. This stunning Zenith XL Tronic in its bold, tonneau shaped, gold plated case houses a secret that your average customer would never guess: it's not a noisy mechanical watch, nor is it a sterile quartz watch; it is a glorious Tuning Fork "Hummer." That means it runs on the famous ESA 9162 caliber (re badged as the Zenith Cal. 50. 0), a