Seiko Prospex SSC813 – “Speedtimer” Solar Chronograph

A modern revival of Seiko’s legendary chronograph heritage, the SSC813 blends vintage-inspired design with advanced solar-powered technology for reliable precision and everyday wearability.

Key Features

• Caliber V192 Solar Chronograph – Powered by any light, no battery change required

• Accuracy: ±15 seconds/month

• Power Reserve: Approx. 6 months when fully charged

• Functions:

  • Chronograph up to 60 minutes in 1/5-second increments

  • 24-hour hand & small seconds sub-dial

  • Date display

  • Power reserve indicator

  • Overcharge prevention function

• 100m water resistance (10 bar)

• Tachymeter scale for measuring speed/distance

• 3-year warranty

Case & Build

• Case Material: Stainless steel

• Diameter: 39.0 mm (wears versatile on most wrists)

• Thickness: 13.3 mm

• Lug-to-lug: 45.5 mm

• Weight: 161 g

• Distance between lugs: 20 mm

• Bracelet: Stainless steel with three-fold clasp & push-button release

• Case Back: Screw case back

Dial & Visibility

• Dial Color: White with contrasting black sub-dials (panda-style)

• Crystal: Curved sapphire with anti-reflective inner coating

• Tachymeter bezel adds sporty, tool-watch character

• LumiBrite on hands and indexes for excellent readability in the dark

Durability

• Water Resistance: 100m (swimming, snorkeling)

• Curved sapphire with AR coating ensures scratch resistance and clarity

• Solid stainless steel case/bracelet built for long-term durability