Seiko - Chronograph Automatic 6139-8002 "Cyclops" (Settembre 1972) - No reserve price - Unisex - 1972

Seiko Chronograph Automatic 6139-8002 "Cyclops" (September 1972)

Collectibility Relevance
Among vintage watch collectors, this model is famous under the historic name Seiko "Cyclops". It is a timepiece of great collectible interest as it is equipped with the famous caliber 6139, one of the very first automatic chronograph movements with column wheel vertical coupling ever made in the history of watchmaking (launched in 1969).

Watch Description
Vintage Seiko chronograph with a cushion-shaped stainless steel case typical of 1970s design. The brushed-silver dial features a black sub-dial for the chronograph minutes at 6 o’clock (inverse Panda style). The dial is completed by the Day-Date window at 3 o’clock showing the day of the week and the date of the month.

History and Dating
Based on the serial number etched on the case back (299537), this specimen was produced in September 1972 at the Suwa Seikosha plants in Japan (as indicated by the Suwa logo present on the dial and case back).

Technical Specifications and Dimensions

Brand: Seiko (Japan Made)
Model: Chronograph Automatic "Cyclops"
Case Reference: 6139-8002
Serial Number: 299537 (Dating: September 1972)
Movement: Mechanical self-winding Caliber Seiko 6139 (17 jewels)
Case Material: Stainless steel
Case Diameter: 39 mm (excluding crown and pushers)
Dial: Original silver with black sub-dial for the chronograph at 6 o’clock
Functions: Hours, minutes, chronograph (30 minutes), day and date
Crystal: Plexiglass / Esalite
Strap: Beige, red and black NATO-style fabric strap
Condition
Dial and hands: In generally good vintage condition with original patina.
Case and case back: Show normal and widespread signs of age and micro-scratches from vintage use.
Strap: currently fitted with an elegant new brown leather strap, you will also receive complimentary the sporty fabric NATO-style strap.