Seiko Cal. 6659 - 355

The Seiko 6659-355 represents an important milestone in Seiko's 1971 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-057e3fec8b49]

Also known as: Tuna, UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

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