The Seiko 6139-6012 is a vintage automatic chronograph watch that was first introduced in the early 1970s. It is part of Seiko's 6139 series of watches and is known for its innovative features and advanced technology.
The Seiko 6139-6012 features a stainless steel case and bracelet. The watch is powered by a Seiko 6139 automatic movement, which is known for its accuracy and reliability.
One of the most distinctive features of the Seiko 6139-6012 is its chronograph function, which can measure elapsed time up to 30 minutes. The watch also features a day and date function, which is displayed in a small window at the 3 o'clock position.
The Seiko 6139-6012 was one of the first automatic chronograph watches ever made and was groundbreaking in its technology and design. It quickly became a popular choice among watch enthusiasts and collectors, and is still highly sought after today.
Overall, the Seiko 6139-6012 is a classic vintage watch that is highly regarded for its innovative features, advanced technology, and sleek design. It is a popular choice among collectors and enthusiasts who appreciate the craftsmanship and history of vintage watches.