[WTS] Grand Seiko SBGA489 "Katana" Kawagane, 2025, Full Kit

Hello! Up for sale is my Grand Seiko SBGA489, the US-exclusive 44GS Spring Drive inspired by the Japanese katana. The black kawagane dial has that subtle carbon-rich texture meant to evoke the "jewel steel" used in katana forging. In person, it shifts beautifully between nearly flat black in low light and a deep, granular texture when the light hits it right. It's one of the most understated yet detailed dials GS makes, and photos genuinely don't capture it. The case is the 40mm 44GS with ...