Seiko Cal. 7031 - 851

The Seiko 7031-851 represents an important milestone in Seiko's 1968 lineup. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-aa1ee489b465]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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