Seiko Prospex Speed Timer Mechanical Chronograph SBEC007 for £1,399 for sale from a Trusted Seller on Chrono24 (2025)

FAQs

How accurate is Seiko Prospex speedtimer? ›

Reliable Chronograph Movement

That number alone speaks more than just its longevity but also a high accuracy rating of approximately ±15 seconds a month. The wearer can easily operate the watch function through the chronograph pushers. The two pushers allow wearers to operate the 60-minute chronograph function.

The case size is a more heritage leaning 39mm in diameter, but it wears larger than a true retro piece.

Craftsmanship and Design. The craftsmanship and design of Seiko Prospex watches exemplify their commitment to producing durable and functional timepieces. These watches are crafted with meticulous attention to detail, ensuring they can withstand the harshest conditions.

While Seiko watches are not investments in the conventional sense, there are certain models that have increased in value and become highly sought after. These are primarily limited edition timepieces, such as the Zimbe editions and vintage Seiko watches.

Both lines exemplify Seiko's dedication to watchmaking, but the Prospex series stands out for its specialized features and robust build, catering to those who demand extra resilience and precision from their timepieces.

The Seiko movement and model number can be found on the caseback in two sets of 4 digits joined by a dash. The first 4 are the movement calibre number, the second four are the case/model number. Also check that the engraving is neat, evenly spaced, aligned and features sharp edges.

The PROSPEX, as the name implies, simply means “Professional Specifications”. It is Seiko's answer to the professional world that desires nothing but the very best from their watches. As such, professionals and fans of the lineup alike have deemed it as the quintessential high-end Seiko tool watch to own.

For normal usage accuracy of Grand Seiko mechanical watch, -1 to +8 seconds per day is specified as target values. If the mean value exceeds the abovementioned target value in the normal usage condition when the watch is used for a week to ten days, we recommend adjusting it.

Seiko's NH35 is one of the most popular, affordable automatic watch movements on the market. It's universally admired for its reliability and accuracy and has a decent set of specs to boot. We use the Seiko NH35 movement within our Geckota Pioneer watch, our popular cushion-cased, vintage-inspired dress watch.

SPEEDTIMERSolar Chronograph

Powered by Caliber V192, they offer a 24-hour indicator, a time of day seconds hand, a 60-minute chronograph in a sub-dial at six o'clock and a power reserve function.

How long is the battery life on the Seiko Prospex Speedtimer? ›

The movement powering all this is the Seiko Cal. V192 chronograph movement, which is solar powered and accurate to approximately 15 seconds per month and a battery life up to 6 months.