Seiko 6138-0011 UFO Yachtsman Speed-Timer Chronograph -0015T c. 1976 Steel 44 mm
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