Seiko Cal. 4521 - 952

This Hand-Winding model from 1977 features a 43mm PVD Black case. It features a Black dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-9bbfb22f3c69]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1977

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