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  1. Home
  2. Industrial Machinery
  3. セイコーインスツル 精密デバイス事業部 精機部
Industrial Machinery
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セイコーインスツル 精密デバイス事業部 精機部

EstablishmentSeptember 7, 1937 (Showa 12)
capital975600Ten thousand
number of employees673
addressChiba/Matsudo-shi/563 Takatsuka Shinden
phone047-392-2091
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last updated:Jun 09, 2025
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  • Products/Services(40)
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セイコーインスツル Company Overview

Inherit quality within.

Seiko Instruments offers various grinding machines that achieve precision and high-speed processing based on the technology cultivated in watch manufacturing. We provide compact and energy-efficient internal grinding machines that are friendly to the factory environment, utilizing expert craftsmanship.

Business Activities

Manufacturing and sales of CNC internal grinding machines and high-speed spindle motors.

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Products/Services (40)

What is thin-walled machining? Achieving high precision processing! Solving deformation caused by gripping. product image
What is thin-walled machining? Achieving high precision processing! Solving deformation caused by gripping.
What is a spindle motor? An explanation of the required performance and characteristics! *Materials are currently being distributed. product image
What is a spindle motor? An explanation of the required performance and characteristics! *Materials are currently being distributed.
Learn from the basics! What is a grinding machine? product image
Learn from the basics! What is a grinding machine?
Fully Automatic High Precision Internal Grinding Machine 'SIG-Evo1s/2s' product image
Fully Automatic High Precision Internal Grinding Machine 'SIG-Evo1s/2s'

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catalog(13)

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CNC Internal Grinding Machine "STG Series" (English Version)

CNC Internal Grinding Machine "STG Series" (English Version)

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High Frequency Spindle Series (English Digest Version)

High Frequency Spindle Series (English Digest Version)

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High Frequency Spindle Series (English Detailed Version)

High Frequency Spindle Series (English Detailed Version)

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Learn from the basics! What is a grinding machine?

Learn from the basics! What is a grinding machine?

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news(11)

IPROS84185825974944782326.png

Notice of Participation in MEX Kanazawa 2025 (61st Kanazawa Machine Industry Exhibition) from May 15 (Thursday) to May 17 (Saturday), 2025.

  • SEMINAR_EVENT

Seiko Instruments Inc. will be exhibiting at "MEX Kanazawa 2025 (the 61st Kanazawa Machine Industry Exhibition)" held at the Ishikawa Prefectural Industrial Exhibition Hall. At our booth, we will not only showcase high-precision and high-speed CNC internal grinding machines designed for internal processing that requires high machining accuracy, such as hydraulic components for construction machinery and automotive parts, but we will also display our completely in-house manufactured high-frequency spindles that support up to 150,000 RPM, featuring high precision, high rigidity, and long lifespan. We look forward to presenting proposals for achieving even higher machining accuracy and faster processing. We sincerely await your visit.

Mar 13, 2025

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【Extra Edition!】Announcement of the Year-End Sale for SII Internal Grinding Machines STG Series

  • PRODUCT

**Campaign Overview** We are offering a limited-time special price on SII's internal grinding machine STG series. ◆ Eligible Models - General-purpose internal grinding machine STG-3NX (4-inch scroll chuck specification) - 2 units - General-purpose internal grinding machine STG-6N (6-inch scroll chuck specification) - 1 unit ◆ Conditions - The eligible models will be SII standard specifications. - Orders must be placed by the end of March 2025. * Please consult separately regarding delivery times. * This offer will end once the above quantity is reached. Thank you for your understanding. <Contact Information> Seiko Instruments Inc. Precision Devices Division, Sales Department, Sales Section 3 TEL: 047-392-2091 FAX: 047-392-2476 Email: naiken@sii.co.jp

Feb 07, 2025

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Notice of Participation in "Grinding Technology Japan 2025" from March 5 (Wednesday) to March 7 (Friday), 2025.

  • SEMINAR_EVENT

Seiko Instruments Inc. will be exhibiting at "Grinding Technology Japan 2025," held at Makuhari Messe in Chiba Prefecture. This exhibition will not only present advanced information on grinding processing technology and tool manufacturing technology but will also provide information on skills and know-how. We will also be hosting the "Grinding Concierge," among other opportunities for discussion in various settings. We look forward to your visit.

Nov 19, 2024

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Detailed information

Company name セイコーインスツル 精密デバイス事業部 精機部
number of employees673
Contact addresspostalcode 270-2222 Chiba/ Matsudo-shi/ 563 Takatsuka ShindenView on map TEL:047-392-2091 FAX:047-392-2476
Industry Industrial Machinery
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Please note that the English text on this page is automatically translated and may contain inaccuracies.