
Part of Grand Seiko’s iconic 24 Seasons (Sekki) collection, the SBGA413 "Shunbun" celebrates the arrival of spring as pale pink cherry blossom petals drift across river waters (Hana-Ikada).

Hand-verified for Grand Seiko SBGA413 "Shunbun" (21mm lug width, standard lugs).
No matching milanese mesh straps currently cataloged for this lug size. Check back soon!
Grand Seiko SBGA413 "Shunbun" Milanese Mesh Strap Fitment Guide: Engineered with microscopic interlocking loops, 21mm Milanese mesh metal straps wrap the wrist like silk while imparting sleek Mid-Century architecture to the Grand Seiko SBGA413 "Shunbun".
Lug Width & Architecture: The Grand Seiko SBGA413 "Shunbun" features a 21mm lug width. Every strap listed above is matched to ensure structural clearance, spring-bar alignment, and visual balance.