SEIKO PROSPEX SPEEDTIMER MECHANICAL Datsun 240Z Limited Edition
The Seiko Prospex Datsun 240Z Mechanical Limited Edition celebrates the iconic Datsun 240Z sports car with a motorsport-inspired mechanical watch designed for daily wear and racing heritage. Rather than a chronograph, this model is a three-hand mechanical automatic with date and special design cues drawn from the 240Z’s dashboard and instrument cluster.
Key Features
- Datsun 240Z Limited Edition — designed in tribute to the legendary Japanese sports car, limited to 2,500 pieces worldwide
- Automotive-Inspired Design — black rally-inspired dial and red accents echo the original 240Z aesthetic
- Internal Rotating Bezel — operated via secondary crown for race timing and countdown use
- Prospex Durability — strong construction with water resistance and legible dial details
- Racing-Style Leather Strap — rally-style leather strap with three-fold clasp and push buttons
- Exhibition Caseback — “LIMITED EDITION” engraving with unique serial number
Specifications
- Model: SPB517J1
- Collection: Seiko Prospex Speedtimer Mechanical
- Edition: Datsun 240Z Limited Edition
- Movement: Seiko Caliber 6R55 — automatic with manual winding and stop-seconds function
- Movement Type: Automatic (Mechanical)
- Precision: +25 to −15 seconds per day
- Power Reserve: Approx. 72 hours (3 days)
- Jewels: 24
Functions:
- Hours, minutes, seconds
- Date display
- Stop-second function
- Internal rotating countdown bezel
Case/Band:
- Case Material: Stainless Steel (Super Hard Coating)
- Case Diameter: Approx. 39.5 mm
- Case Thickness: Approx. 12.0 mm
- Glass: Curved Sapphire Crystal with Anti-Reflective Coating
- Strap Material: Rally-style Leather with Three-Fold Clasp and Push-Button Release
- Water Resistance: 200 m (20 bar)
- Magnetic Resistance: 4,800 A/m
The Seiko Prospex Speedtimer Mechanical Datsun 240Z Limited Edition (SPB517J1) is powered by the Seiko Caliber 6R55 — a well-regarded automatic mechanical movement offering a 72-hour power reserve and reliable precision. Built around motorsport-inspired styling and everyday practicality, it’s a standout piece for both car enthusiasts and mechanical watch fans alike.