Seiko 6139, arguably the first automatic chronograph in the market.
Model: 6139 - 6009
Era: 1973 Dec
Case Diameter: 39 mm (without crown)
Lug to Lug: 43 mm
Lug Width: 19 mm
Case Condition: Case in good condition, caseback minor polished
Dial Condition: The inner ring have aged to pale yellow, but is fixed and does not rotate. Dial has aging with lume developed a pale yellow patina. A rare arabic day wheel pair with the watch.
Movement: Cal. 6139 Japan First Automoatic Chronograph Movement to Space
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