Seiko Cal. 5665 - 747

The Seiko 5665-747 represents an important milestone in Seiko's 1966 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-3641bed1619d]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1966

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