Seiko Cal. 4528 - 745

This Solar model from 1977 features a 36mm Gold-Plated case. With its 19mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-bc21a438e811]

Also known as: Helmet, Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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