Technical Archive
Grand Seiko
Grand Seiko
Spring Drive SBGA290— lug 20mm
Cinturini 20mm per Grand Seiko Spring Drive SBGA290. Pelle, alligatore, NATO. Artigianali e su misura con Casati Milano.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Grand Seiko SBGA290
Lug Width
20
mm
The essential strap measurement.
Browse 20mm straps →
Reference
SBGA290
Movement
Grand Seiko caliber 9S68 Hours, Minutes, Seconds
The Heritage
The Grand Seiko SBGA290 features the 9S68 automatic mechanical caliber with hour, minute and second indication. The Spring Drive collection represents the hybrid technology developed by Grand Seiko that combines mechanical regulation with quartz control. The movement offers a power reserve of 72 hours and daily accuracy of ±1 second per day.
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