Seiko Cal. 6663 - 860

The Seiko 6663-860 represents an important milestone in Seiko's 1983 lineup. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-7bdd29f770b5]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1983

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