Technical Archive
Grand Seiko
Grand Seiko
Spring Drive SBGA101— lug 20mm
Cinturini 20mm per Grand Seiko Spring Drive SBGA101. Alligatore, vitello, NATO. Spedizione rapida e personalizzazione.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Grand Seiko SBGA101
Lug Width
20
mm
The essential strap measurement.
Browse 20mm straps →
Reference
SBGA101
Movement
Grand Seiko caliber 9R65 Hours, Minutes, Seconds | Date | Power Reserve Indicator
The Heritage
The Grand Seiko Spring Drive SBGA101 features the 9R65 caliber, a hybrid movement that combines traditional mechanics and quartz regulation. The mechanism offers hour, minute, second, date and power reserve indications. The Spring Drive technology ensures an accuracy of ±1 second per month through the electronic control of the mechanical oscillator.
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