SeiyaJapan blog

・About design for Grand Seiko 9F82Grand Seiko 9F83 Quartz (Day/Date) has developed in 1993.The design for Grand Seiko 9F82 is as same as one for Grand Seiko9F83, except for deleting Day display. SBGT035(Day Date) 9F83SBGV005  (Date) 9F82 About a development...

Seiko Watch Co., Ltd has released the first issue of Grand Seiko (GS)magazine, "CNo 9"  in June 2014."CNo 9" means "Caliber Number 9", 9S(Mechanical) 9R(Springdrive) 9F(Quartz) and it has 32 pages including cover pages.   Contents is  below. -Trip report...

Analog Quartz watches and Springdrive watches are more affected by magnetism than Mechanical watches.In fact, Analog Quartz watches move their watch hands using a stepping motor magnet inside. So if they receive outside magnetism, the accuracy is worse.With regard to Springdrive watches, they...

When you see a dial of approximately 40 yeas old Seiko watches carefully, you might find a star mark. This tells you what material is used for indexes on dial..   For example, the first Grand Seiko's(3180) indexes are made...

This cleaning cloth is good for watches. And it is, I think more useful to clean a face of your smartphone or iPhone. I put my company's logo quiet on the cloth but hope to remember me sometimes. Are you interested...