In early 2022, Seiko expanded its enigmatic “Black Series” trilogy with the launch of the SPB257, a moody tribute to its legendary 1970 Willard diver’s watch. Inspired by the original model worn by adventurer Naomi Uemura during his solo Arctic expedition, this reinterpretation echoed the original’s flowing, asymmetrical case while evolving it with a matte black hard‑coated stainless steel finish that evokes the silence and mystery of night diving. Offered in a strictly numbered series of 5,500 pieces, each watch features a deep black dial textured like rippling seafloor sand, punctuated by vibrant orange accents on the stop‑light seconds hand and the “Diver’s 200 M” text, reminiscent of torchlight piercing the ocean dark
Model – Prospex
Reference – SPB257
Year – 2022
Size – 42mm
Dial – Black
Case Material – Steel
Bracelet Material – Rubber
Movement – Automatic
Power Reserve – 70hrs
Water resistance – 200m
Condition – New
Accs – Full Set
Remarks –