Seiko Cal. 7158 - 641

The Seiko 7158-641 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-bc6fea14d488]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1975

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