Seiko Cal. 7155 - 521

The Seiko 7155-521 represents an important milestone in Seiko's 1979 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-cfb69702edcf]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1979

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