Seiko Cal. 5663 - 969

This Spring Drive model from 1980 features a 34mm Two-Tone case. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-1af61508b03e]

Also known as: Tuna, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1980

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