Technical Archive
Grand Seiko
Grand Seiko
Mechanical SBGR307— lug 20mm
Cinturini 20mm per Grand Seiko SBGR307. Alligatore, shell cordovan e vitello. Spedizione e personalizzazione su misura a Milano.
Artisanal Note
"This model requires a precise 20mm lug width to preserve the original sartorial balance."
Technical Specifications
Grand Seiko SBGR307
Lug Width
20
mm
The essential strap measurement.
Browse 20mm straps →
Reference
SBGR307
Movement
Grand Seiko caliber 9S68 Hours, Minutes, Seconds
The Heritage
The Grand Seiko SBGR307 is a mechanical timepiece featuring the in-house caliber 9S68 with hour, minute, and second indication. The automatic movement provides a 72-hour power reserve at a frequency of 28,800 vph. The case presents classic proportions with the characteristic finishes of the Japanese brand.
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