Seiko Cal. 4556 - 871

This Solar model from 1977 features a 37mm Stainless Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-147083b41d8f]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1977

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