Seiko Cal. 6139 - 299

The 6139-299 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-078bd5ab50e3]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1979

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