Seiko Cal. 7158 - 763

The Seiko 7158-763 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-1961ae365032]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1971

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