Seiko Cal. 5643 - 520

This Solar model from 1971 features a 43mm PVD Black case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-34720442edc6]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1971

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