Peripherals and components for personal computers by the brand Seikosha
Brand: Seikosha
Headquarters: 
Japan (Tokyo)
Since: 1892
Until: 1996
A subsidiary of the Japanese watch brand SEIKO.
Founded in 1892 in Tokyo as a watch manufacturing company, it later went on to manufacture dot-matrix printers.
When the Seiko Group was selected as the official supplier for the 1964 Tokyo Olympic Games, they were asked to develop a timekeeping system for sporting events, and Shinshu Seiki began developing an electronic printer.
In 1982, Shinshu Seiki changed its name to Epson Corporation.
Some outstanding models of Seikosha peripherals
Seikosha SP-180
9-pin dot matrix printer with support for NLQ (Near Letter Quality) mode, achieving results comparable to 24-pin printers.
Manufactured by a subsidiary of the Japanese brand SEIKO.
Seikosha GP-50
5-inch continuous-print dot matrix printer.
The Seikosha GP-50S model, instead of a parallel port, has a bus connector for Sinclair Research computers: the Sinclair ZX80, Sinclair ZX81, and Sinclair ZX Spectrum.
The Seikosha GP-50MX model came with a parallel port interface and was compatible with MSX computers.
