Case Diameter: 38.5mm (horizontal), 43.7mm (vertical), 10.2mm (thickness) Movement: Manual Winding Spring Drive Caliber: 9R31 Crystal: Sapphire Crystal Case Material: Yellow Gold Strap Material: Crocodile (newly replaced) Dial Color: White (Snow White (Yukishiro)) Water Resistance: Water-resistant for everyday life Manufacture Year: 2019 Accessories: Box, Guarantee (Personal information section has been cut out.), Instruction Manual Category: Used SEIKO Grand Seiko Spring Drive Yellow Gold SBGY002 The Yellow Gold model featuring the Spring Drive Manual Winding characteristic possesses a soft shine, encapsulating Grand Seiko's unique case design, a stunning fusion of vividness and smoothness. Its quiet aesthetic interweaves an exciting tension, shaping the world of Grand Seiko. Thanks to advanced Zaratsu polishing technology, the mirror finish created by skilled polishers exudes a brilliance akin to a precious gem that flawlessly reflects light. The dial depicts the unique pattern formed by wind-driven snow. This design, known as "Snow White (Yukishiro)," evokes snow accumulating on the mountains of Shinshu. Mainly used for dial finishing, it has received praise from all over the world. This watch is crafted in a Shinshu workshop, equipped with the newly developed Manual Winding Spring Drive Caliber "9R31." Its power reserve is approximately 72 hours, implementing a new system called the Dual Spring Barrel. This system arranges and stacks two thin, long mainsprings in a single barrel, allowing it to retain power for an extended period. Condition: Case: There are some slight scratches on the buckle, but it is in beautiful condition without any notable damage. Strap: Newly replaced This extremely rare model, SBGY002, is highly recommended for your collection.