Seiko Cal. 5641 - 870

The Seiko 5641-870 represents an important milestone in Seiko's 1969 lineup. It features a Silver dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-ba41c0e13e0c]

Also known as: Silverwave, Flighty

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1969

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