Seiko Cal. 6139 - 641

The 6139-641 is a sought-after Quartz piece from Seiko's golden era. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-ad2dc763ff45]

Also known as: Tuna, Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1989

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