A vintage Seiko Automatic Chronograph from the 1970s, featuring a unique flying saucer shape case and 6138 automatic chronograph movement.

• Condition: Good condition for its age
• Case size: 44mm
• Lug to lug: 47mm
• Movement: 6138 automatic chronograph

1971 Seiko 6138-0011 UFO, for sale with some wear and cosmetic issues.

Up for sale is my very good condition Seiko UFO 6138-0011. This watch measures at 44mm and has an automatic 7S26 movement.

• Condition: Very good condition, some minor marks on case, bezel insert, and caseback.
• Case size: 44mm
• Movement type: Automatic (7S26)
• Bracelet material: Steel

A collection of Seiko Chronographs for sale. Each watch is in varying condition and has unique features.

This Seiko Chronograph Ref. 6138-0011 has a distinctive 44mm case that gives it an 'UFO' appearance, typical of vintage chronographs from this era. The watch is running well and comes with videos of its timegrapher results, but note that the chrono does not perfectly reset back to 12 and often moves the minutes hand when reset.

• Condition: Used, notable marks on case and crystal
• Case size: 44mm
• Service history: No service history

This vintage Seiko chronograph, nicknamed 'UFO' due to its large 44mm case, is a unique addition to any collection. The watch has been running well but does not perfectly reset back to 12.

• Condition: Used
• Case size: 44mm
• Condition notes: notable marks throughout on case and light ones on crystal
• Service history: No service history