Seiko Prospex Speedtimer Automatik SPB513J1 - NEUHEIT GMT 17 mm Ø– Verschluss: Druckknopf

17 mm Ø– Verschluss: Druckknopf (Snap-Closure)– Länge: ca

early Seiko calibers of the 11-part family (late 1950s / early 1960s)

5 mm stainless steel case with domed Hardlex glass

Year of construction: October 1970

Seiko Prospex Speedtimer Automatik SPB513J1 - NEUHEIT GMT 17 mm Ø– Verschluss: DruckknopfThe SPB513J1 marks the entry of the Speedtimer line into the world of mechanical three hand watches. Inspired by the legendary 1972 Seiko Speedtimer the iconic "Panda" model this watch combines sporty functionality with clear Seiko tradition. The result is an automatic tool watch that remains deliberately minimalist, yet still offers high utility. A key feature is the internal, rotating countdown ring , operated via the crown. It allows for flexible