Seiko Sportura Kinetic SKH456P1 Two-Tone Gold-Plated Watch
Watch (Sports/Chronograph Style) · Yellow Gold plating over 316L Stainless Steel base.
Purity: Gold-Plated / Electroplated (likely 5-10 microns over stainless steel). Not solid gold.
Type
Watch (Sports/Chronograph Style)
Purity
Gold-Plated / Electroplated (likely 5-10 microns over stainless steel). Not solid gold.
Gold Type
Yellow Gold plating over 316L Stainless Steel base.
Weight
110 - 130 grams (total item weight including movement and steel)
Description
A robust two-tone sports watch featuring Seiko's proprietary Kinetic technology, which converts kinetic energy from the wearer's wrist movements into electrical energy to power the quartz movement. The aesthetic blends industrial steel with gold-accented luxury, typical of late-90s executive sport styles.
Key Features
Kinetic movement (manual power reserve indicator at 2 o'clock), integrated link design, and gold-plated knurled crown.
Color & Finish
Rich 18K yellow gold shade on accents; brushed and polished steel finishes. Visible wear on plating edges.
Hallmarks & Stamps
'SEIKO' on dial and clasp. 'KINETIC' and 'SPORTS 100' on dial. Case back would typically state 'STAINLESS STEEL' and 'BASE METAL BEZEL'.
Dimensions Estimate
Case diameter: 38-40mm; Lug width: 18-20mm; Integrated bracelet.
Gemstones & Inlays
None (Hardlex mineral crystal or Sapphire glass; Lumibrite markers).
Clasp & Closure
Stainless steel deployment fold-over clasp with safety release and Seiko branding.
Chain & Links
Integrated two-tone link bracelet with gold-plated center accents; custom parabolic-shaped links.
Craftsmanship Details
Machine-stamped links with hand-assembly; reliable quartz-accuracy engineering; electroplated finish for aesthetic appeal over industrial durability.
Authentication Indicators
Characteristic Seiko hand-stacking; font-correct 'Kinetic' logo; movement-specific button at 2 o'clock; high-quality milling on the clasp.
Origin & Maker
Japan / Seiko Watch Corporation. Known for pioneering Kinetic movement technology.
Era & Period
Late 1990s to early 2000s (Neo-Vintage).
Age Estimate
Circa 1997-2003 based on the 'Sportura' design language and caliber 5M series movement.
Cultural Significance
Represents the 'quartz technology' evolution where high-tech utility met traditional jewelry finishes in the consumer luxury market.
Condition Notes
Grade: Good. Significant wear on the gold plating surfacing on the bezel and bracelet links. Scratches on the steel; crystal appears clear.
Value Estimate
Resale value: $150 - $250 USD. Melt value: $0 (negligible gold content in plating). Value is purely in brand and function.
Care & Maintenance
Wipe with a soft damp cloth. Avoid ultrasonic cleaners as they can strip worn plating. Keep motion-active to maintain battery capacitor health.
Similar Items
Tag Heuer Sel Two-Tone, Citizen Eco-Drive Two-Tone Titanium, or Seiko 5 Sports Two-Tone.
Interesting Facts
Seiko's Kinetic movement was the world's first watch to convert motion into electricity, debuted as 'A.G.S.' in 1986.