August 16, 2026
Housed in a 40.5 mm hard‑coated stainless steel case, it features a curved sapphire crystal, uni‑directional bezel, and black textile “Seichu” strap (plus an extra black silicone option). The Seiko ProspexSPB253J1 is a striking entry in Seiko’s “Black Series” — a modern reinterpretation of the historic 1965 62MAS diver, presented with a stealthy black-on-black colorway and bold orange highlights.
