Jewelry & Watches Unlimited 
22 March 2023
Jewelry & Watches Unlimited 
457

Seiko

'Speedy' stainless steel chronograph wristwatch, Ref. 6139-7039


With day (English/Spanish), date, and chronograph function
Date: 1970s
Serial no.: 221507
Dial: Matte black
Movement: Automatic
Case material: Stainless steel
Case size: 41.5 x 37.5 mm
Bracelet/Strap: Black nylon strap, 7.75 in
Clasp/Buckle: Pin buckle
estimate: $800–1,200
result: $504
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Reference 6139-7039 is known as “Baby Jumbo” chronograph and also as the “Seiko Speedy” for its likeness to the Omega Speedmaster Professional of the time.

This work will ship from Lambertville, New Jersey.

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