Presented in 1998 and introduced on the market in 1999, Spring Drive movements have become over the years one of the highlights of the Grand Seiko brand. This unique technology, the result of decades of research and development, masterfully combines the art of mechanical watchmaking with the precision of quartz. Index History of the Spring Drive How does it work Early Spring Drive watches Caliber 9R65 Caliber 9R66 Caliber 9R86 …
The 95GS is the first family of Grand Seiko quartz movements, introduced in 1988. There are two 95GS movements, the 9581 (no date) and the 9587 (with date). A total of nine 95GS references were produced. Every part of the watches was manufactured in-house, including the quartz crystals, grown in Seiko’s own facilities. 9581 9587
The Seiko SKX watch line, introduced in 1996, encompasses a wide range of models characterized by the use of the automatic 7S26 caliber. The series features watches designed for various purposes, ranging from the classic Seiko 5 to professional divers with a water resistance of 200 meters, and extending to sports models with 100 meters water resistance. This guide focuses on certified diver watches, namely those in the SKX line …
Second in variety and number of models only to the 61GS series, the 56GS family consists of three automatic calibers: 5641A (no-date), 5645A (date) and 5646A (day/date). 56GS No-Date Caliber 5641 Ref. 5641-5000 (56GA 046) Movement: 5641Type: automaticJewels: 25Bph: 28.800Case: 18k gold The technique used to create the dial of this watch was taken as a model for the creation of the Snowflake. Ref. 5641-7000 (56GA 010) Movement: 5641Type: automaticJewels: …
The Grand Seiko 19GS family originates from the Seiko 1944 caliber, the world’s first Hi-Beat movement for women’s watches, running at 36,000 bph. Considering that there were no other Hi-Beat movements of such small dimensions at the time, it is likely that these were also the most accurate mechanical women’s wristwatches in the world. The first appearance of a 19GS in an official Seiko catalog is in the first volume …
The 45GS is a family of hi-beat manually wound watches, produced by Daini Seikosha between 1968 and the early 1970s. There is a total of three movements in the 45GS family: 4520A – time only 4522A – date 4580A – time only V.F.A. (Very Fine Adjusted) The 4580A V.F.A. was one of the world’s most accurate mechanical movements at the time. 45GS Time Only This series of watches was based …
The 44GS series was developed by Daini Seikosha, based on the movement originally introduced in 1964 with the King Seiko Chronometer (ref. 4420-9990). Taro Tanaka and the Grammar of Design Thanks to the contribution of the designer Taro Tanaka, the guidelines of the “Grammar of Design” are introduced, which will define the Grand Seiko style from that moment on. The model with reference 4420-9000 is the first Grand Seiko to …
Launched under the name of Chronometer Seikomatic, it was promoted to Grand Seiko following the introduction of the Grand Seiko Standard, which exceeded Swiss chronometric standards. The first automatic Grand Seiko The 62GS was the first Grand Seiko available with automatic winding. There are two versions of the caliber: 6245A with date, and 6246A with day and date. 62GS Calendar Ref. 6245-9000 (Stainless Steel) Movement: 6245Type: automaticJewels: 35Bph: 19.800Case: stainless steel Same …
In 2018 Seiko introduces a line of diving watches called “Save The Ocean”, which donate a portion of the proceeds to organizations that study and preserve the oceans. One such organization is the Ocean Learning Center of Fabien Cousteau, grandson of the famous underwater explorer Jacques-Yves Cousteau, with whom Seiko has collaborated on various initiatives. Since the launch of the first models, Seiko has introduced new Save The Ocean watches …
Index History of the Laurel Movement Case Dial History of the Laurel At a time when pocket watches dominated the scene, Kintaro Hattori, the founder of Seiko, realized that the wind was changing and decided to start the production of wristwatches. The Laurel was introduced around 1913 and is considered the first Japanese wristwatch, although its movement was originally designed for small pocket watches. With the tools of the time, …