Some excellent posts featured on The Purists detailing a personal visit to Seiko's Shizukuishi Watch Studio. Highly recommended read.
A visit to Seiko’s Shizukuishi Watch Studio
Part I: Parts production
Part II: Decoration and finishing
Part III: Movement and watch assembly
Part IV: Assembly of ultra-thin, skeleton cal. 6899A
Part V: Inspection and testing
SEIKO's Shizukuishi Watch Studio Visit - Appendix





