Seiko Cal. 6139 - 326

This Hand-Winding model from 1981 features a 46mm Hardlex-Coated Steel case. With its 19mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-79944a52d92c]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1981

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