Blending Seiko’s deep racing heritage with cutting-edge solar technology, the Speedtimer SSC947 is a high-performance chronograph designed for those who value speed, accuracy, and timeless design. With its elegant case lines, sapphire crystal, and functional tachymeter bezel, this solar-powered chronograph offers refined aesthetics with motorsport utility.

Key Features

Solar-Powered Precision

• Caliber V192 – Solar movement, charges via any light source

• ±15 seconds/month accuracy

• Power reserve: Up to 6 months (fully charged)

• Overcharge prevention function

• Power reserve indicator

Chronograph & Functions

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

• 24-hour subdial

• Small seconds hand

• Date display at 4:30 position

Case & Crystal

• Stainless steel case with refined contours

• Case diameter: 41.4 mm | Thickness: 13.0 mm | Lug-to-lug: 45.9 mm

• Curved sapphire crystal with anti-reflective inner coating

• Screw case back for durability

Dial & Visibility

• LumiBrite on hands and index markers for excellent legibility

• Tachymeter scale on bezel for speed calculations

Bracelet & Comfort

• Three-fold clasp with push-button release

• Distance between lugs: 21 mm

• Weight: 164.0g

The Seiko Prospex Speedtimer SSC947 is a dynamic timepiece that merges vintage racing inspiration with modern solar-powered performance. Ideal for precision enthusiasts, it delivers reliable chronograph functionality in a sleek, highly wearable profile.