Seiko Prospex Speedtimer Solar Chronograph Ref. SSC813 (Nickname: SeiKona)
Chronograph (Racing / Tool Watch) · Seiko (Seiko Group Corporation), a Japanese manufacturer positioned in the accessible luxury and premium tool watch tiers, renowned for pioneering both quartz and innovative mechanical movements.
Period: Modern Luxury / Neo-Vintage Revival (2020s-present)
Type
Chronograph (Racing / Tool Watch)
Brand
Seiko (Seiko Group Corporation), a Japanese manufacturer positioned in the accessible luxury and premium tool watch tiers, renowned for pioneering both quartz and innovative mechanical movements.
Movement
Seiko Caliber V192 solar quartz chronograph movement, operating on light energy with a 6-month power reserve when fully charged, featuring an accuracy of +/- 15 seconds per month.
Dimensions
Case diameter: 39.0 mm, case thickness: 13.3 mm, lug-to-lug distance: 45.5 mm, lug width: 20 mm. Wears very comfortably and slightly smaller than its thickness suggests due to the compact lug-to-lug distance.
Description
The Seiko Prospex Speedtimer Solar Chronograph Ref. SSC813 is a masterclass in affordable vintage-inspired chronograph design. Often affectionately dubbed the 'SeiKona' by collectors for its aesthetic resemblance to legendary vintage racing chronographs, it combines a highly versatile 39mm case with a striking panda dial layout. Powered by light, it eliminates the need for battery changes while delivering daily-wear reliability, classic tool watch proportions, and timeless motorsport heritage.
Key Features
Compact 39mm case diameter inspired by 1960s Seiko chronograph heritage, high-contrast panda dial layout, solar quartz technology providing hassle-free maintenance and a 6-month power reserve, curved sapphire crystal.
Dial Description
Matte white/silver-beige dial with a contrasting black tachymeter chapter ring and three black sub-dials in a classic panda layout. Features applied polished baton indices with luminous inserts, polished sword hands with lume, and a subtle date window tucked neatly between the 4 and 5 o'clock positions.
Case Material
Stainless steel with a combination of brushed top surfaces and polished bevels, featuring a hard coating for scratch resistance.
Crystal Type
Curved sapphire crystal with anti-reflective coating on the inner surface, highly scratch-resistant.
Bezel Details
Fixed tachymeter bezel with a black aluminum insert featuring white printed markings ranging from 60 to 500 units per hour.
Crown & Pushers
Unsigned textured screw-down style main crown at 3 o'clock flanked by traditional pump-style chronograph pushers at 2 and 4 o'clock.
Bracelet or Strap
Multi-link stainless steel bracelet with a mix of brushed and polished finishes, fitted with a secure folding clasp and push-button release.
Caseback Details
Solid stainless steel screw-down case back stamped with standard Seiko Prospex wave logo, model specifications, and serial numbering information.
Movement Type
Seiko Caliber V192 solar quartz chronograph movement, operating on light energy with a 6-month power reserve when fully charged, featuring an accuracy of +/- 15 seconds per month.
Water Resistance
100 meters (10 bar / 330 feet), suitable for swimming, snorkeling, and recreational water sports, but not appropriate for scuba diving.
Origin & Provenance
Japanese design and manufacture, utilizing Seiko's proprietary solar-powered quartz movement technology.
Age Estimate
Modern production, introduced around 2021 and continuing as a staple in the current Seiko Prospex catalog.
Cultural Significance
Revitalized public interest in affordable mechanical-looking quartz chronographs, bridging the gap between vintage racing aesthetics and modern, reliable everyday watch ownership.
Condition Notes
Mint condition, unworn New Old Stock (NOS) with factory protective plastics still intact on the bracelet clasp and hang tags present.
Value Estimate
Retail price (MSRP) around $675 USD, with secondary market values generally holding steady between $500 and $650 USD depending on condition and inclusion of original box and papers.
Care & Maintenance
Requires regular exposure to indoor or natural light to maintain power reserve. Avoid exposing to extreme heat sources. Water resistance pressure testing recommended every 2 to 3 years if used for swimming.
Similar Watches
Tudor Black Bay Chrono (higher-end luxury alternative), Hamilton Intra-Matic Auto Chrono (mechanical alternative), Dan Henry 1964 Gran Turismo (independent microbrand alternative).
Interesting Facts
The design traces its lineage back to the 1969 Seiko Speedtimer, which was among the world's first automatic chronograph watches equipped with a vertical clutch and column wheel.