Seiko Cal. 6689 - 890

This Spring Drive model from 1977 features a 37mm Stainless Steel case. With its 20mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-346078011e66]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1977

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