| 2013/06/05 | SEIKO INSTRUMENTS INC. |
| SII Launches New High-Accuracy Hall Effect Sensor ICs for Automotive Use | |
| 2013/04/25 | SEIKO INSTRUMENTS INC. |
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Various watch brands to bring out new models at the "BASELWORLD 2013" Watch and Jewellery Show |
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| 2013/02/27 | SEIKO NPC CORPORATION |
| CF5060/5061/5062 series, high frequency crystal oscillator module ICs for three type differential outputs with low current consumption and low phase noise moved into mass production. | |
| 2013/05/10
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| 2013/05/10
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| 2013/01/30 | SEIKO NPC CORPORATION |
| SM3320, ultra-miniature optical spot sensor for high-sensitivity detection from ultraviolet to infrared moved into mass production. | |
| 2013/01/23 | SEIKO HOLDINGS CORPORATION |
| Passing of the Honorary Chairman | |