Seiko Prospex HBC003J1 Speedtimer automatic steel watch 39.5 mm

El Seiko Prospex HBC003J1 Speedtimer combina una caixa de 39,5 mm en acer inoxidable, moviment automàtic calibre 6R55 i una funció de compte enrere accionada per la corona a les 4 hores. Un rellotge esportiu amb caràcter clàssic i gran llegibilitat.

A Speedtimer watch inspired by motorsport, with clear legibility and a highly functional design. The Seiko Prospex HBC003J1 brings back the spirit of the brand’s sport chronographs and turns it into a modern mechanical proposition. Its 39.5 mm stainless steel case with super-hard coating offers balanced proportions and a comfortable wrist presence.

The dial stands out for its restrained tone and the orange detail that adds energy to the overall look. That same accent appears on the seconds hand and helps make time readings quicker, which is especially useful in a piece designed for timing and everyday wear.

The countdown function, operated through the crown at 4 o’clock, allows intervals to be measured precisely. The rotating inner bezel with countdown scale expands the watch’s usefulness and gives it a distinctly technical feel within the Prospex line.

Inside, the automatic 6R55 calibre offers manual winding, stop-seconds and an approximate 72-hour power reserve. The crystal is curved sapphire with inner anti-reflective coating, and the screw case back adds to its robust character.

With 20 bar water resistance, LumiBrite on the hands and indexes, and a multi-row bracelet with a three-fold clasp, the Seiko Prospex HBC003J1 is designed for anyone looking for a reliable mechanical sports watch with a strong instrument-style identity.

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