Seiko Cal. 4535 - 578

This Solar model from 1977 features a 34mm Hardlex-Coated Steel case. With its 21mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-a87bd3304021]

Also known as: Helmet, Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1977

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