Technical Archive
Grand Seiko
Grand Seiko
Spring Drive SBGA231— lug 20mm
Cinturini 20mm per Grand Seiko Spring Drive SBGA231. Alligatore, vitello, shell cordovan. Spedizione rapida e personalizzazione.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Grand Seiko SBGA231
Lug Width
20
mm
The essential strap measurement.
Browse 20mm straps →
Reference
SBGA231
Movement
Grand Seiko caliber 9R65 Hours, Minutes, Seconds | Date | Power Reserve Indicator
The Heritage
The Grand Seiko SBGA231 is powered by the 9R65 Spring Drive caliber with hour, minute, second, date and power reserve indication. The Spring Drive technology combines the regularity of quartz with the mechanical energy of the mainspring. The movement offers a 72-hour power reserve with a continuously sweeping seconds hand.
Compatible Straps
Selected for 20mm lug width
The next step
The right strap isn’t chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →By appointment only · Milan