Seiko Chronograph Mecha-Quartz Ref. SSC813 (commonly nicknamed "Seitona")
Chronograph / Racing Watch (Solar Mecha-Quartz Subcategory) · Seiko (Independent Japanese manufacture), positioned in the affordable luxury and everyday tool watch tier with a stellar global reputation
Period: Modern Luxury / Neo-Vintage Revival (2020s)

Type
Chronograph / Racing Watch (Solar Mecha-Quartz Subcategory)
Brand
Seiko (Independent Japanese manufacture), positioned in the affordable luxury and everyday tool watch tier with a stellar global reputation
Movement
Solar quartz chronograph movement, Seiko Caliber V192, operating on light energy with a 6-month power reserve when fully charged and an accuracy of +/- 15 seconds per month
Dimensions
Case diameter: 39.0 mm, Case thickness: 13.3 mm, Lug-to-lug: 45.9 mm, Lug width: 20.0 mm
Description
The Seiko Prospex Speedtimer Solar Chronograph Ref. SSC813 is an exceptionally popular modern timepiece that channels vintage racing chronograph aesthetics into an accessible package. Often affectionately dubbed the "Seitona" by enthusiasts due to its striking visual resemblance to the legendary Rolex Daytona, this watch combines a highly wearable 39mm case footprint with a reliable solar-powered mecha-quartz movement. Its reverse-panda dial configuration, contrasting sub-dials, and tachymeter bezel give it a timeless sport-utility look that transitions effortlessly from casual wear to formal settings.
Key Features
Reverse-panda colorway, highly practical solar-powered V192 caliber, wearable 39mm proportions, curved sapphire crystal, classic tachymeter bezel, and an exceptional value proposition for collectors and enthusiasts alike
Dial Description
Curved white textured matte dial with a reverse-panda layout (black contrasting subdials), applied polished baton hour indices with luminescent fill, slender sword-shaped hands, date display positioned between 4 and 5 o'clock
Case Material
Stainless steel (316L) with a combination of brushed top surfaces and polished chamfered flanks
Crystal Type
Curved sapphire crystal with anti-reflective coating on the inner surface
Bezel Details
Fixed black tachymeter bezel made of stainless steel with a hard black coating, featuring white printed scale markings for measuring average speed
Crown & Pushers
Signed screw-down crown with textured grip, flanked by traditional pump-style mechanical chronograph pushers at 2 and 4 o'clock
Bracelet or Strap
Three-link stainless steel bracelet with brushed outer links and a polished center line, secured with a fold-over clasp and push-button release
Caseback Details
Solid stainless steel screw-down case back featuring standard Seiko laser-etched branding, technical specifications, and a serial number
Movement Type
Solar quartz chronograph movement, Seiko Caliber V192, operating on light energy with a 6-month power reserve when fully charged and 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 or saturation diving
Origin & Provenance
Japanese design and engineering, manufactured in Seiko's facilities utilizing quartz and solar technology developed entirely in-house
Age Estimate
Modern production, circa 2021-present
Cultural Significance
Represents the democratization of luxury watch aesthetics, offering high-end design cues and robust horological reliability at a fraction of the cost. It has become a staple entry point for novice collectors and a beloved daily wearer for seasoned horologists.
Condition Notes
Listed on a secondary marketplace platform as brand new without price tags ("Ny utan prislapp"), displaying pristine factory finishing with no visible scratches, dings, or wear on the case, bezel, crystal, or bracelet
Value Estimate
Retail price (MSRP) around $675 USD (approx. 7,000 SEK), while secondary market listings often range between 2,800 SEK to 5,500 SEK depending on condition, inclusion of box and papers, and market demand
Care & Maintenance
Requires regular exposure to ambient light to keep the internal solar cell charged. Avoid submerging in water if the crown is left unscrewed. Recommended pressure testing every 2-3 years, especially if used near water, and professional servicing of gaskets as needed.
Similar Watches
Rolex Cosmograph Daytona (vastly more expensive luxury benchmark), Omega Speedmaster Reduced (discontinued mechanical alternative), Tissot PR516 Chronograph Mechanical, Lip Rallye Chronograph
Interesting Facts
The nickname "Seitona" is a portmanteau of Seiko and Daytona, reflecting the watch's homage to the iconic Rolex design language while remaining a distinct and affordable alternative. The Speedtimer line pays direct tribute to Seiko's 1969 Speedtimer, which was among the world's first automatic chronographs.