Seiko Cal. 5690 - 692

The Seiko 5690-692 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-9dc10ddecf5b]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1977

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