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Seiko Speedtimer Chronograph 6139-6031


Seiko Speedtimer 6139-6031:  A JDM Gem With a Global Impact
This chronograph was originally intended for the Japanese Domestic Market (JDM). Boasted a dual-calendar display, showing both Japanese and English dates, a feature often omitted in international releases. This attention to detail speaks volumes about Seiko’s commitment to catering to their domestic customers.
The 6139-6031 holds the distinction of being the world’s first chronograph to utilize a column wheel and vertical clutch, a combination previously found only in high-end Swiss chronographs. These mechanisms, known for their precision and smooth operation, revolutionized the affordability and accessibility of these sophisticated features.
The ‘Coke’ Bezel is instantly recognizable by its red and black colors, a striking contrast that immediately captures the eye.
With its vintage charm, historical significance, watch holds a special place in the hearts of many watch enthusiasts and collectors. The Seiko Speedtimer 6139-6031 is a watch that deserves a place in your appreciation.

Brand: Seiko
Ref: 6139-6031  Ser.08xxxx
Case: Stainless Steel
Movement: Seiko 6139
Case Dimensions: 41mm x 46mm
Dial: Seiko Black Dial
Box & papers: No
Condition: Good
Serviced condition
12 month in-house warranty.

Tax Free For International Order

SKU: 247.11S Category: Tags:


Brand Seiko
Ref. No. 6139-6031
Serial No. 08xxxx
SKU 247.11S
Movement Automatic
Case material Steel
Bracelet material Steel
Year 1970
Condition Good
Gender Men’s watch/Unisex
Location Australia, Chadstone Victoria
Price AU$2300.00 (Inc GST)
Availability Now


Movement Automatic
Movement/Caliber 6139
Number of jewels 21


Case material Steel
Case diameter 41mm x 46mm
Material bezel Steel
Glass Mineral Glass
Dial Black
Dial numerals No numerals


Bracelet material Stainless Steel
Bracelet color Steel
Clasp Folding Buckle
Clasp material Steel


Day/Date, Chronograph





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