Most watches count up. The Seiko Prospex Speedtimer HBC003 also counts down. A rotating inner ring and a crown at 4 o'clock turn a vintage racing look into a working countdown timer, all on a light-blue dial with an orange seconds hand.

Inspired by 1960s and 70s Racing

The Speedtimer name goes back to Seiko's racing-inspired timers of the 1960s and 1970s. The HBC003 carries that spirit in its orange accent, a nod to classic cars, which Seiko also uses for the seconds hand so it stands out against the light-blue dial while you time something.

Seiko describes the countdown as useful for everything from racing intervals to everyday moments, from a pit-stop style warm-up to a perfectly timed cup of tea.

Inside: Caliber 6R55

The Caliber 6R55 is an automatic movement that can also be wound by hand. It has 24 jewels, a stop-second function for precise setting, and about 72 hours (three days) of power reserve, so it keeps running through a weekend off the wrist. Seiko lists accuracy at +25 / -15 seconds per day.

Case, Crystal and Bracelet

The stainless steel case has a super-hard coating and measures 39.5mm across, 12.0mm thick and 44.5mm lug-to-lug, a size that suits a wide range of wrists. The curved sapphire crystal has an anti-reflective coating on the inside surface, and a screw-down caseback supports 20 bar water resistance. Seiko does not position it as a dedicated dive watch, but it is built for daily use, including splashes and swimming.

LumiBrite on the hands and indexes keeps it legible in low light, and the multi-row stainless steel bracelet closes with a three-fold clasp with push-button release and fits 20mm lugs. Magnetic resistance is rated at 4,800 A/m.

Seiko Prospex Speedtimer HBC003 Specifications

Care and Final Thoughts

Wear it daily and the automatic movement winds itself; if it has stopped, a few turns of the crown will restart it. Wipe the bracelet with a soft cloth, rinse it after salt water, and have the movement serviced at an authorized service centre at regular intervals.

The HBC003 is a rare mix: vintage racing looks, a genuinely useful countdown function and a three-day power reserve, all at $995. Stock is limited, so if the light-blue and orange combination speaks to you, now is the time.