Seiko Cal. 4521 - 958

This Solar model from 1971 features a 44mm Stainless Steel case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-f71a0064f854]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1971

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