A rare 1975 Seiko 6139 8050 with a blue and teal dial, featuring a chronograph and quickset date functions. The case is in great unpolished shape with surface scratches and blemishes commensurate for its age. A custom matching strap made from Hermes quality leather completes the watch.

• Condition: Pre-owned with minor cosmetic damage (dial blistering, date window bezel lift)
• Case shape: 41mm x 41mm
• Case depth: 13mm
• Band: Custom hand-made leather strap (Togo for the top, Swift for the lining, Fils au Chinois thread)

A rare 1975 Seiko 6139 model featuring a unique blue and teal dial, with a chronograph function and quickset date. The watch has been well-maintained and shows signs of aging, but remains in great condition.

• Condition: Good condition with minor signs of aging and wear
• Case size: 41mm diameter
• Thickness: 13mm
• Strap dimensions: sized for wrists 5.75-6.75in

A Japanese Domestic Market only Seiko 6139-8050 automatic chronograph from October 1975 with a cushion case style measuring 39mm in diameter and 19mm lug width. The watch has not been serviced and the chronograph buttons are currently not sticking.

• Condition: Pre-owned, needs service
• Case Size: 39mm diameter
• Lug To Lug: 42mm
• Lug Width: 19mm

A Japanese Domestic Market Seiko 6139-8050 automatic chronograph from October 1975, featuring a cushion case style with original speedtimer bracelet.

• Condition: Pre-owned, possibly needing service
• Case dimensions: 39mm diameter, 42mm lug-to-lug, 19mm lug width
• Bracelet extension: spring loaded, removable links not present
• Water resistance tested: no

This is a Japanese Domestic Market only Seiko 6139-8050 automatic chronograph dating to October 1975. It features a cushion case style measuring 39mm in diameter and comes with the original speedtimer bracelet.

• Condition: Pre-owned, not serviced
• Case dimensions: 39mm diameter, 42mm lug-to-lug
• Lug width: 19mm
• Bracelet condition: Original