Seiko Cal. 7155 - 658

The Seiko 7155-658 represents an important milestone in Seiko's 1981 lineup. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-a22d1f8dc5fb]

Also known as: Helmet, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1981

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