Seiko Cal. 5641 - 580

This Spring Drive model from 1979 features a 43mm Stainless Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-6a487d20e863]

Also known as: Silverwave, Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1979

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