Seiko 5 - SRPE51

Mechanical Movement

• 4R36
  
• Automatic winding
  
• 24 jewels
• 41 hour power reserve
  

Case

• Stainless steel case
  
• Exhibition case back
  
• Faceted Box shaped Hardlex
  
• Standard crown
• 100 meters (330 feet)
  

Functions

• Stop second hand function
  
• Date / Day
  
• Sweeping seconds hand

Dial and Hands

• Sunburst dark grey, steel indexes with LumiBrite
  
• Steel hour, minute with LumiBrite, and seconds hand
  

• Case diameter: 40 mm
  
• Case thickness: 11.5 mm
  
• Lug to Lug: 44.6 mm
• Band lug width: 20 mm
• Weight: 142 grams