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Seiko Unveils Innovative Prospex Speedtimer 1/100 Sec Solar Chronograph


Seiko, renowned for its precision timepieces, has introduced the groundbreaking Seiko Prospex Speedtimer Solar Chronograph, a remarkable watch that pushes the boundaries of accuracy and functionality. The timepiece has garnered widespread attention from watch enthusiasts and professionals alike.

The Seiko Prospex Speedtimer Solar Chronograph boasts a remarkable feat – the ability to measure time down to an astounding 1/100th of a second, setting new standards in the world of watchmaking. Powered by solar energy, the timepiece incorporates cutting-edge technology and impeccable craftsmanship to deliver unparalleled performance.

One of the standout features of this innovative chronograph is its solar-powered mechanism. Equipped with a high-performance solar panel, the watch harnesses the power of light to ensure uninterrupted operation. This sustainable and eco-friendly design allows the watch to continue functioning even in low-light conditions.

The Seiko Prospex Speedtimer Solar Chronograph features a sleek and robust stainless steel case, accentuated by a scratch-resistant sapphire crystal, providing durability and a sophisticated aesthetic. The dial is adorned with luminescent markers and hands, enabling clear legibility in any lighting situation.


Furthermore, the watch offers a comprehensive range of functions, including a stopwatch with 1/100th second accuracy, elapsed time measurement, split time measurement, and a tachymeter scale. These features make the watch an ideal companion for athletes, professionals, and individuals who require precise timing in their daily lives.

Seiko’s dedication to quality and precision is evident in the craftsmanship of the Prospex Speedtimer Solar Chronograph. Each timepiece undergoes meticulous testing and strict quality control measures to ensure its accuracy and reliability. With its innovative technology and attention to detail, Seiko continues to solidify its position as a frontrunner in the global watch industry.

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The Seiko Prospex Speedtimer Solar Chronograph is set to be released in limited quantities, with availability through authorized Seiko retailers and select boutiques. Watch enthusiasts and collectors eager to experience this groundbreaking timepiece firsthand will have the opportunity to reserve their own piece of horological ingenuity.

Seiko’s commitment to pushing boundaries and delivering exceptional timepieces has once again propelled the brand to new heights. With the introduction of the Prospex Speedtimer Solar Chronograph, Seiko continues to redefine precision in watchmaking, solidifying its position as an industry leader.

Key facts and price

Seiko Prospex 1/100 Sec Speedtimer Solar Chronograph
Ref. SFJ001 (white dial with “reverse panda” design)
Ref. SFJ003 (black dial)
Ref. SFJ005 (Analog Quartz Chronograph 40th Anniversary Limited Edition)
Ref. SFJ007 (World Athletics Championships Budapest 23 Limited Edition)

Diameter: 42 mm
Height: 12.9 mm
Material: Stainless steel
Crystal: Sapphire
Water resistance: 100 m

Movement: Cal. 8A50
Functions: Hours, minutes, seconds and chronograph
Winding: Quartz
Frequency: Solar
Power reserve: Six months when fully charged

Strap: Matching bracelet

Limited editionRegular production except for SFJ007 (4000 pieces) and SFJ005 (4000 pieces)
Availability: Starting July 2023 at Seiko boutiques and select retailers

White dial with “reverse panda” design and black dial: $895

Analog Quartz Chronograph 40th Anniversary Limited Edition: $925

World Athletics Championships Budapest 23 Limited Edition: $950

For more, visit

About Seiko

Seiko is a Japanese watchmaking company founded in 1881. Renowned for its innovation, precision, and craftsmanship, Seiko has been a driving force in the global watch industry. The company offers a wide range of timepieces, from affordable models to high-end luxury watches, all built on a foundation of excellence and technological advancement.

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About the author

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I'm a luxury watch enthusiast and digital marketer hailing from Austin, TX. My passion for beautiful timepieces comes from the value I place on my own time. Expertly crafted watches give us all beautiful, daily reminders of how precious our time is.

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