1960
– Birth of Grand Seiko company. 3180 caliber introduced, accurate to within +12 to -3 seconds a day. 45 hr power reserve. First Japanese watch to receive rating of excellence from Bureaux Officiels de Contrôle de la Marche des Montres. Built in Suwa Seikosha, Nagano prefecture, Japan.
1964
– Grand Seiko Self Dater introduced. Emphasis on practicality with a calendar function and water resistance up to 50 meters.
1967
– 44GS manually wound 5 beat watch developed with highest level of accuracy. Grand Seiko design philosophy developed. 62GS first automatic Grand Seiko made.
1969
– 61GS V.F.A. high precision model introduced, to explore the furthest unattainable limits of accuracy possible, with a monthly rate of +/- 1 minute.
1970
– After accuracy, GS’s next objective was size reduction. The 56GS was automatic and self winding, just 4.5mm in height.
1972
– 19GS V.F.A. Highest precision women’s watch developed. This mechanical watch delivered accuracy rate of +/- 2 minutes.
1988
– 95GS First GS quartz watch. Accuracy of 10 seconds per year, many times higher than other quartz movements.
1989
– 8NGS First GS with 10 bar water resistance.
1992
– 3FGS Grand Seiko quartz model for women with 10 second a year accuracy.
1993
– 9F8 series. Quartz watch with backlash auto-adjust, twin pulse quartz mechanism, instance calendar change, and super sealed cabin within case.
1998
– 9S5 series. First new mechanical caliber in 20 years with cutting edge production technology backing it.
2002
– 9S56 series. First GS watch with fourth hand representing GMT.
2003
– Anti magnetic watch with 40,000A/m level of resistance developed.
2004
– 9R6 series. The advent of the Spring Drive caliber with accuracy of +/- 1 second per day.
2006
– 9S67 series. A mechanical caliber watch delivering superior power reserve level of 72 hours.
2009
– New hi-beat caliber, first for GS in 41 years. 9S8 delivers high precision and power reserve of 55 hours.
2014
– 9S86 caliber combines hi beat precision with GMT function.
2016
– Black Ceramic Limited Edition powered by Spring Drive developed with fully ceramic case. Spring Drive 8 Day power reserve.