Grand Seiko
Spring Drive Heritage Collection 'Soko' SBGA429
Ref. SBGA429
The Grand Seiko SBGA429 is a flagship model from the Heritage Collection featuring the iconic Spring Drive 9R65 movement, known for its precision and innovative electro-magnetic regulation. This watch blends traditional craftsmanship with modern design, offering a 72-hour power reserve and a 39mm stainless steel case. It is part of the 'Soko' line, which pays homage to Grand Seiko’s rich history while incorporating contemporary styling. The SBGA429 is celebrated for its smooth, gliding second hand and hand-finished details, making it a highly sought-after collectible.
crystalDual-curved sapphire with anti-reflective coating on inner surface
braceletStainless steel bracelet with three-fold clasp + additional grey crocodile leather strap with clasp
movement9R65 Spring Drive Self-winding with Manual-winding, 72 hours power reserve, ±1 second per day accuracy, 30 jewels
functionsDate, power reserve indicator, hacking seconds, screw-down crown, screw case back, exhibition caseback
lug width19.0mm
dial colorGrey (vertical textured)
case diameter39.0mm
case materialStainless steel
water resistance100 meters (10 bar)
year2016-present
A registered Grand Seiko SBGA429 carries a permanent RGATT passport: origin, history and owners, verifiable by anyone, and a documented history makes a watch easier to sell.