Seiko Cal. 6664 - 774

The Seiko 6664-774 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-dbbc67e25141]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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