THONG SIA GROUP

First Grand Seiko SPRING DRIVE Exclusive model

-9R66 Spring Drive movement

-Automatic winding, hand winding

-water proof to 30 meters

-72 hours power reserve

-The average daily difference is about ±1 second

-Stainless steel case and strap

-Box-shaped sapphire crystal with anti-glare coating on the inside

-See-through back cover crafted with SBGE267G model and limited number

-Diameter: 44.0 mm