WSeiko Holdings Corporation , commonly known as Seiko, is a Japanese maker of watches, clocks, electronic devices, semiconductors, jewelries, and optical products. Founded in 1881, it is known for introducing one of the world's first quartz wrist watches as well as the world's first quartz watch with a chronograph complication.
WAlba is a sub-brand of Seiko Watch Corporation that produces a line of wristwatches. It first appeared in 1979. Using Seiko's own family of movements but with modern styling designed to appeal to younger customers, Alba watches are primarily aimed at Asian markets in the hope of creating long-term loyalty to the Seiko group as these customers' purchasing power increases.
WSeiko Epson Corporation, or simply known as Epson, is a Japanese electronics company and one of the world's largest manufacturers of computer printers, and information and imaging related equipment. Headquartered in Suwa, Nagano, Japan, the company has numerous subsidiaries worldwide and manufactures inkjet, dot matrix and laser printers, scanners, desktop computers, business, multimedia and home theatre projectors, large home theatre televisions, robots and industrial automation equipment, point of sale docket printers and cash registers, laptops, integrated circuits, LCD components and other associated electronic components. It is one of three core companies of the Seiko Group, a name traditionally known for manufacturing Seiko timepieces since its founding.
WJean Lassale was a Swiss watch company that designed the Calibre 1200, featuring the thinnest mechanical watch movement : 1.2 mm. In the 1970s, Pierre Mathys, master watchmaker in La Chaux-de-Fonds, designed and built the prototype of a revolutionary watch caliber, with the goal of making the thinnest watch in the world. To achieve this feat, Mathys based his design on the work of Robert Annen, who previously had the idea of using ball bearings in small scale horology. Mathys decided to remove the bridges and counter-pivot, and instead use ball bearings for the axis.
WPulsar is a brand of watch and currently a division of Seiko Watch Corporation of America (SCA). Pulsar was the world's first electronic digital watch. Today Pulsar watches are mostly analog and use the same movements in Seikos such as the 7T62 quartz chronograph movement.
WThe Astron wristwatch, formally known as the Seiko Quartz-Astron 35SQ, was the world's first "quartz clock" wristwatch. It is now registered on the List of IEEE Milestones as a key advance in electrical engineering.
WSeiko Group is a Japanese corporate group consisting of three core companies Seiko Holdings Corp. (Seiko), Seiko Instruments Inc. (SII) and Seiko Epson Corp (Epson). The three companies are linked by a common thread of timepiece technology. Epson has established its own brand image and rarely uses 'Seiko.'
WSeiko Instruments Inc. (SII) is a Japanese company, which develops and commercializes semiconductor, micromechatronics, and precision machining technologies. It is one of business units of the Seiko Holdings Group.
WSeiko Sports Association were one of the most popular and successful football teams in the history of Football in Hong Kong. The team withdrew from the Hong Kong First Division League after the 1985–86 season.
WThe Spring Drive is a watch movement conceived in 1977 by Yoshikazu Akahane at Suwa Seikosha. Specified to one second accuracy per day, the movement uses a conventional gear train as in traditional mechanical watches, but rather than an escapement and balance wheel, instead features Seiko's Tri-synchro Regulator system in which power delivery to the watch hands is regulated based on a reference quartz signal.
WWako Co., Ltd. is a department store retailer in Japan, whose best known store is at the heart of the Ginza shopping district in Tokyo. This store is famous for its watches, jewellery, chocolate, porcelain, dishware, and handbags, as well as upscale foreign goods. There is an art gallery, called Wako Hall, on the sixth floor. Wako was founded in 1881 by Kintarō Hattori as a watch and jewelry shop called K. Hattori in Ginza. In 1947, the retail division split off as Wako Co., Ltd.