Seiko Prospex SBER001 SPEEDTIMER – 1/100 Second Solar Precision

Born to measure speed with solar-powered precision.

The Seiko Prospex SPEEDTIMER SBER001 (SFJ001) is a next-gen chronograph built for split-second accuracy.

Powered by the solar Caliber 8A50, this timepiece delivers ultra-precise timing to 1/100th of a second, making it a serious tool for sports timing and adrenaline-driven lifestyles.

Encased in stainless steel with a curved sapphire crystal and non-reflective coating, it ensures perfect legibility under all conditions.

Luminous hands and markers keep you in control in low light, while the 100M water resistance and needle position correction function enhance daily durability.

Its integrated stopwatch, battery level indicator, and overcharge prevention system make this watch not just fast — but smart and efficient.

The SBER001 SPEEDTIMER is built for action and precision.

If you want a watch that goes beyond basic chronograph performance, this solar-powered marvel brings pro timing tech into your everyday world — with Seiko’s rugged reliability.

Features & Specifications:

Brand: Seiko

Model: SBER001 / SFJ001 – Prospex SPEEDTIMER

Caliber: 8A50 (solar-powered)

Accuracy: ±15 seconds/month

Power Reserve: Solar-powered, no regular battery changes

Functions:

Chronograph (1/100 second, up to 60 mins)

Overcharge prevention

Battery level warning

Needle position correction

Case Material: Stainless steel

Glass: Curved sapphire with internal anti-reflective coating

Lume: LumiBrite (hands and indexes)

Water Resistance: 10 bar / 100M

Case Size:

Width: 42.0 mm

Lug-to-lug: 48.3 mm

Thickness: 12.9 mm

Weight: 152 g

Strap: Stainless steel, one-push tri-fold clasp

Max wrist: ~195 mm

Made in: 🇯🇵 Japan licensed

Warranty: 1 year international, 5 years GS

Advanced chronograph technology – delivered in official Seiko packaging with documentation.