Seiko Cal. 6664 - 786

The Seiko 6664-786 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-6bc5bb85a8f4]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1987

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