Seiko Cal. 5661 - 968

The Seiko 5661-968 represents an important milestone in Seiko's 1972 lineup. With its 21mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-1853e4403d04]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1972

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