Seiko Cal. 6681 - 620

The Seiko 6681-620 represents an important milestone in Seiko's 1981 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-d215cedfb10f]

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1981

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