Seiko Prospex SSC911 – Speedtimer Solar Chronograph

A larger sibling of the SSC813, the SSC911 carries forward Seiko’s motorsport-inspired Speedtimer heritage with modern solar-powered reliability and a striking silver “reverse panda” dial aesthetic.

Key Features

• Caliber V192 – Solar Chronograph (charges with light, no battery changes)

• Accuracy: ±15 seconds/month

• Power Reserve: ~6 months when fully charged

• Functions:

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

  • 24-hour sub-dial

  • Small seconds sub-dial

  • Date display

  • Power reserve indicator

  • Overcharge prevention function

• Water Resistance: 100m (10 bar)

• Tachymeter scale

• 3-year warranty

Case & Dimensions

• Case Material: Stainless steel

• Diameter: 41.4 mm

• Thickness: 13.0 mm

• Lug-to-lug: 45.9 mm

• Distance between lugs: 21 mm

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

• Bracelet Length: 197 mm

• Weight: 164 g

• Case Back: Screw case back

Dial & Visibility

• Dial Color: Silver with black sub-dials (reverse panda)

• Crystal: Curved sapphire

• Crystal Coating: Anti-reflective coating on inner surface

• LumiBrite on hands and indices for night visibility

Durability

• Magnetic Resistance: 4,800 A/m

• Sapphire with AR coating for scratch resistance & clarity

• Stainless steel build ensures robustness