Seiko - Presage SPB231

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
• Dual curved Sapphire glass
  
• Standard crown
• 100 meters (330 feet).
  

Functions

• Date
• Sweeping seconds

Dial and Hands

• Black waffle dial, with high polished indexes
  
• Gold plated Steel hands with LumiBrite
  
• Gold plated Baton style numerals

• Case diameter: 39.3 mm
  
• Case thickness: 11.1 mm
  
• Lug to Lug: 47.2 mm
• Band lug width: 20 mm
• Weight: 155 grams