The legendary Seiko 6138-0011 “UFO” Chronograph is one of the most iconic automatic chronographs of the 1970s. Known for its bold cushion-shaped case and futuristic profile, this vintage classic earned the nickname “UFO” among collectors, while racing enthusiasts often refer to it as the “Yachtsman” thanks to its sporty regatta-inspired dial accents.
Powered by Seiko’s renowned automatic chronograph movement, the 6138 combines vintage motorsport styling with everyday wearability. The striking black dial features contrasting cream subdials, orange chronograph hand accents, day-date display, and a tachymeter bezel that captures the golden era of racing watches.
Specifications
Model: Seiko 6138-0011 “UFO” / “Yachtsman”
Movement: Automatic Chronograph
Case Diameter: 44 mm (excluding crown)
Lug-to-Lug: 47 mm
Thickness: Approximately 14.5–15 mm
Lug Width: 19 mm
Case Shape: Cushion / UFO-style stainless steel case
Dial: Black dial with contrasting subdials
Bezel: Tachymeter scale
Functions: Chronograph, Day-Date Display
A true collector’s piece with unmistakable vintage character, the Seiko 6138-0011 remains one of the most recognizable chronographs ever produced by Seiko.
The legendary Seiko 6138-0011 “UFO” Chronograph is one of the most iconic automatic chronographs of the 1970s. Known for its bold cushion-shaped case and futuristic profile, this vintage classic earned the nickname “UFO” among collectors, while racing enthusiasts often refer to it as the “Yachtsman” thanks to its sporty regatta-inspired dial accents.
Powered by Seiko’s renowned automatic chronograph movement, the 6138 combines vintage motorsport styling with everyday wearability. The striking black dial features contrasting cream subdials, orange chronograph hand accents, day-date display, and a tachymeter bezel that captures the golden era of racing watches.
Specifications
Model: Seiko 6138-0011 “UFO” / “Yachtsman”
Movement: Automatic Chronograph
Case Diameter: 44 mm (excluding crown)
Lug-to-Lug: 47 mm
Thickness: Approximately 14.5–15 mm
Lug Width: 19 mm
Case Shape: Cushion / UFO-style stainless steel case
Dial: Black dial with contrasting subdials
Bezel: Tachymeter scale
Functions: Chronograph, Day-Date Display
A true collector’s piece with unmistakable vintage character, the Seiko 6138-0011 remains one of the most recognizable chronographs ever produced by Seiko.
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