Seiko Cal. 4521 - 985

This Spring Drive model from 1981 features a 34mm PVD Black case. Powered by the 4521 caliber with 26j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-64cac02411d2]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1981

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