Seiko Cal. 6690 - 284

The Seiko 6690-284 represents an important milestone in Seiko's 1966 lineup. With its 19mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-73d41eee5a7f]

Also known as: Turtle, Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1966

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