Seiko - Prospex SPB143

Mechanical Movement

• 6R35
  
• Mechanical movement
  
• +25 / -15 seconds per day
  
• Seconds stop function
• 24 jewels
• 70 hour power reserve
  

Case

• Stainless steel case
  
• Screwdown case back
• Box domed sapphire glass
  
• Screw-down crown
• 200 meters (660 feet).
  

Functions

• Date
• Sweeping seconds

Dial and Hands

• Black sunburst with applied indexes
  
• Sweeping seconds hand
  

• Case diameter: 40.5 mm
  
• Case thickness: 13.2 mm
  
• Lug to Lug: 47.6 mm
• Band lug width: 20 mm
• Weight: 180 grams