
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).



Grand Seiko SBGA413 "Shunbun" Leather Strap Fitment Guide: Elevate the Grand Seiko SBGA413 "Shunbun" with handcrafted 21mm leather straps. From supple Italian calfskin to rugged pull-up hides, genuine leather pairs seamlessly with titanium case cases and pink dial dials for timeless refinement.
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.