Seiko Cal. 7156 - 727

The Seiko 7156-727 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-77a742aa9fa8]

Also known as: World Timer, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1971

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