SEIKO PROSPEX SSC813P1 - SPEEDTIMER SOLAR CHRONOGRAPH
he Seiko Prospex SSC813P1 is a Solar-powered Speedtimer chronograph blending vintage racing styling with modern chronograph performance. Its compact 39 mm case recalls Seiko’s early Speedtimer history (circa 1964), while the reliable solar Caliber V192 movement keeps it running without battery changes for months.
Key Features
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Solar-Powered Chronograph (Caliber V192) — charges from natural and artificial light; no battery replacements needed and up to ~6 months of power reserve once fully charged.
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Chronograph Function — measures elapsed time up to 60 minutes in 1/5-second increments, with small seconds and 24-hour indications.
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Power Reserve Indicator — tells you how much solar charge is left.
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Tachymeter Bezel — fixed outer scale for speed calculations, reflecting the watch’s motorsport theme.
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High Legibility Dial — classic “panda” contrast with black subdials on a white dial (and black accents) for easy reading.
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LumiBrite — luminous hands and markers for visibility in dim lighting.
Specifications
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Model: SSC813P1
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Collection: Seiko Prospex Speedtimer Solar Chronograph
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Movement: Seiko Caliber V192 (Solar Quartz) — solar-powered with overcharge prevention.
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Accuracy: ±15 seconds per month (typical).
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Power Reserve: Approx. 6 months when fully charged.
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Functions:
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Hours, Minutes, Small Seconds
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Chronograph (60 min / 1/5 sec)
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24-hour subdial
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Power reserve indicator
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Date display
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Tachymeter scale
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Case & Bracelet
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Case Material: Stainless Steel (brushed/polished).
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Bracelet Material: Stainless Steel with three-fold clasp and push-button release.
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Crystal: Curved Sapphire with anti-reflective inner coating.
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Case Diameter: 39.0 mm (approx).
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Case Thickness: 13.3 mm (approx).
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Lug Width: 20 mm.
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Water Resistance: 10 bar / 100 m — suitable for swimming and everyday wear.
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Weight: ~161 g.
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Caseback: Screw-down.
Colorway:
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Dial: White dial with contrasting black subdials (classic panda look).
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Hands & Markers: Silver-tone with LumiBrite.
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Bezel: Black tachymeter.
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Case & Bracelet: Silver stainless steel.
Final Word
The Seiko Prospex SSC813P1 Speedtimer Solar Chronograph is a compact, motorsport-inspired chronograph ideal for both daily wear and timing activities. Its solar V192 movement eliminates regular battery changes, and the panda dial with tachymeter scale channels vintage racing aesthetics in a modern, durable stainless-steel case — making it a versatile and collectible piece in Seiko’s Prospex lineup.