Seiko Cal. 4528 - 780

This Solar model from 1984 features a 37mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-22eecba67deb]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1984

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