• Model: Seiko UFO / Yachtsman Speed-Timer 
  
• Conditions: Very good (please see pictures for details)
  
• Functions: ALL running well. Recently cleaned and oiled.
  
• Movement: Mechanical (Automatic) Japan-Made
  
• Caliber: 6138B
  
• Jewels: 21
  
• Power Reserve: 45 hours
  
• Frequency: 21,600 A/h
  
• Signed Seiko: Dial, Case, Crown, Bracelet and Movement
  
• Material: Stainless Steel Case and Bracelet
  
• Reference #: 6138-0011
  
• Model #: AV0039
  
• Model Variation: 6138-0015T
  
• Release Year: 1970
  
• End Year: 1979
  
• Serial: 698235
  
• Year: 1976
  
• Dial: -0015T - "Big Eye Small Eye"; Suwa sign (Original, Never refinished)
  
• Hour Markers: White
  
• Hands: Long "sword" white-painted
  
• Bezel Insert: Tachymeter; Black
  
• Crystal: Hardlex (Tempered Mineral Glass) (Ref. 340W14GN)
  
• Crown: Ribbed
  
• Pushers: Engraved with 5 small rings
  
• Diameter: 44.0 mm without crown
  
• Case Thickness: 15.5 mm
  
• Lug Width: 19 mm
  
• Bracelet: Steel
  
• Bracelet Ref. #: XAA541
  
• Clasp: Folding; Speed-Timer
  
• # of Links: 13
  
• Length: 8.0 inches long (end to end) 

• No Box
  
• No Papers
  

Note: All original from factory Seiko UFO. This particular model was sold in the late Japanese Domestic Market "JDM". All parts are era correct and belong to this model.

SKU # A024