Seiko Cal. 6663 - 435

This Quartz model from 1978 features a 38mm Two-Tone case. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-f034a24e1b2a]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1978

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