Vintage Seiko Twin Quartz Watch

Vintage Seiko Twin Quartz model, specifically reference 9723-8010, produced around 1979. This timepiece is a notable example of Seiko’s high-precision engineering from the late 70s, featuring a movement designed to compensate for temperature variations to achieve extreme accuracy.

Caliber: It uses the high-grade Seiko 9723 analog quartz movement.

Twin Quartz Technology: This system utilizes two quartz crystals vibrating at different frequencies to maintain a rated accuracy of approximately ±20 seconds per year.

Design: Often referred to as having a “Royal Oak” style case, it typically measures about 33.5mm to 36mm in width and features an integrated gold-plated bracelet. The watch features a day and date display at the 3 o’clock position.