Seiko - Presage SPB161

Mechanical Movement

• 6R27
  
• Mechanical movement
  
• +25 / -15 seconds per day
  
• Seconds stop function
• 29 jewels
• 45 hour power reserve
  

Case

• Stainless steel case
  
• Screwdown case back
• Dual curved Sapphire glass
  
• Standard crown
• 100 meters (330 feet).
  

Functions

• Power reserve indicator
  
• Date sub dial
• Sweeping seconds

Dial and Hands

• Enamel-white with blue indexes
  
• Blue hands
  
• Baton style numerals

• Case diameter: 39.9 mm
  
• Case thickness: 12.4 mm
  
• Lug to Lug: 47.2 mm
• Band lug width: 20 mm
• Weight: 89 grams