Grand Seiko collection includes automatic and manual wind mechanical, super accurate quartz and Spring Drive calibers developed specifically for Grand Seiko and just as fifty years ago, Seiko is focused on the pure essentials of watchmaking. The two iconic black and orange Monsters of the first generation housed the 7S26 automatic caliber, the same present in the famous SKX007 and SKX009. The cases are polished by the Zaratsu method, hands and indices are designed with razor edges, mainsprings are made of a proprietary alloy called SPRON and movements must pass the Grand Seiko Standard, featuring criteria more stringent than Swiss COSC certification. The 6139-6005 was produced for the American market. between the central hands and the Suwa logo.
Seiko watches use a 6 or 7 digit serial number stamped on the caseback.
The text on the -6009T dial states WATER 70m RESIST, AUTOMATIC under the Seiko logo and 17J. Date a Seiko by serial number How to decode the serial number on a Seiko watch The easiest way to find the date from a Seiko serial number is to use the automated Seiko serial number decoder but this page explains how to do it manually. This dial type was only provided on the 6139-6005 model. Now, the Grand Seiko world is open to all.Īll Grand Seiko watches are built in Japan at Epson/Seiko high watchmaking atelier to exacting standards. Here you can clearly see the watch face markings and the dial code of 6139-6009T.
Watch lovers in Japan have long enjoyed the pleasure and satisfaction of owning Grand Seiko. Since 1960, story of Grand Seiko has been the story of a Seiko`s dedication to perfecting the deceptively simple idea of creating the "ideal watch". The challenge was substantial, as new skills and technologies were required in order to meet and exceed the new Grand Seiko standard. The "Grand Seiko Standard" of precision and reliability was set at a level higher than any yet achieved by Seiko and higher than all the international chronometer standards. Very few people are familiar with Grand Seiko watches, but for the first time watch enthusiasts in United States will be able to see how this Japanese brand can compete against the large Swiss watchmaking establishment and perhaps giving them "run for their money" in quality and price. After over 50 years of never exporting these watches outside of Japan and Pacific rim, SEIKO Corporation is finally making Grand Seiko collection available through a small number of exclusive dealers around the world.