Seiko - Twin Quartz High-End Dress - 9920-7000 JDM but its true collectible appeal

but its true collectible appeal lies in its brand history

Flipping the watch over reveals the crisp caseback engravings and the "Daini Seikosha" factory symbol

Now available for sale is a remarkable piece from that legacy

It is uniquely detailed with massive

Seiko - Twin Quartz High-End Dress - 9920-7000 JDM but its true collectible appealThis timepiece is a magnificent artifact from December 1979, as definitively proven by the serial number 9D1023. The 99 series calibers sit at the absolute pinnacle of Seiko's golden era of electronic watchmaking, produced by the elite Suwa Seikosha factory. It houses the ultra rare Caliber 9920, a high end technical soul that utilizes two separate quartz crystals one to measure time and a second to detect temperature changes compensating for thermal