August 17, 2026Published by on August 17, 2026Categories 2025 Grand Seiko Sport GMT SBGM245 40.5mm Blue Dial Full SetGrand Seiko Sport GMT SBGM245 40.5mm Blue Dial Full Set | Grailzee Authenticated. Grand Seiko SBGM245. The Grand Seiko SBGM245 is one of the most versatile luxury sports watches ever produced by Grand Seiko.
