The SEIKO spring Drive watch succeeded the quartz Astron in 1969. It uses the mechanical watch technology for its operability. Although it has a mainspring, nevertheless, it also has a system that has newly been designed for the purpose of time regulation. Due to this system, the Spring Drive shows time that is accurate up to one second per day. There is also the feature of glide motion in the watch that ensures continuous and even motion.

Other than the mainspring, the major components that can be found in the Spring Drive watch by SEIKO include an automatic winder, along with a barrel and a stem, which is used for storing watch energy. The Spring Drive watch offers unique accuracy, equivalent of one second a day. Other than that, the glide motion in the watch ensures the even movement of time.

Yoshikazu Akahane, who worked at Suva Seikosha, was the first one to have visualised the design for the Spring Drive watch in 1977. The application for patent was done in 1982, and the watch was introduced for the very first time at the Basel Watch Fair in the year 1998. After that in 2005, the watch was once again presented at the Basel Watch Fair. This was the model of the watch that used the automatic winder. The international launch was done in September the same year in Paris, after a day of which the sale of the watch started.

SEIKO has designed an instrument that is known as the Tri-synchro regulator, and this has been put in the Spring Drive watch as a replacement to the traditional escapement. The main function that the tri-synchro performs is the adjustment of the winding of mainspring. The Spring Drive watch makes use of electric energy, mechanical power of mainspring and electromagnetic energy, all of which are controlled by the regulator.

The glide wheel in the Spring Drive functions at a speed of eight times per second. This is compared with the quartz signal. Other than that the frequency of the glide wheel is also monitored constantly with the help of a variable braking force.

With the use of the Tri-synchro, there is no tickling of the watch, which used to be the case in the watches that used the traditional escapement. Hence, with this technology, the movement of the watch does not stop, like it does in the traditional watch that uses escapement.

The mechanical technology that forms an essential part of the Spring Drive is also being used in some other watches being made by SEIKO. These include Galante, Prospex, Izul, Credor and Grand Seiko. Some of the problems that have appeared in these watches include issues related to power reserve, chronograph, moon phase and calendar functions.

With the Spring Drive Watch, there is double power reserve available, which lasts for about seventy-two hours. This performance is much better than that of the tradition system, which offers only forty hours. In addition, the winding mechanism in the Spring Drive watch is very fast. Instead of decreasing accuracy, as is commonly the case with mechanical watches, the Spring Drive watch offers added accuracy accompanied by smoothness.

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