1988.6
▪   Registration of SEIKOSHA (Thailand) Co., Ltd.
1989.5
▪   Production of wall clock began
1994.3
▪   Production of camera shutters began
1997
▪   Changed the company name to SEIKO P&C (Thailand) Co., Ltd.
2000.5
▪   Get certificate ISO9001:2008
2000.12
▪   Production of Time Recorder began
2001.8
▪   Production of Imagine Device began
2002.1
▪   Get certificate ISO140001:2004
2005.12
▪   Split-up the company to
    ▫   SEIKO CLOCK (Thailand) Co., Ltd.
    ▫   SEIKO PRECISION (Thailand) Co., Ltd.
2006.7
▪   Start Molding business out of Seiko group
2006.8
▪   Production of camera unit began
2006.10
▪   Start Parts business out of Seiko group
2008.12
▪   Merger the company to SEIKO PRECISION (Thailand) Co., Ltd.
2009.5
▪   Get certificate TS16949:2002
2012.12
▪   Establishment 2nd Factory for Machinery process
2014.7
▪   Production of Metronomes began