Seiko Cal. 7155 - 577

This Spring Drive model from 1982 features a 38mm PVD Black case. Powered by the 7155 caliber with 32j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-3a5b0f763aa5]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1982

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