Seiko Cal. 6319 - 311

The Seiko 6319-311 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-ab0755e4a8d5]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

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