Seiko Cal. 6397 - 639

The Seiko 6397-639 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-fdea06f6acb3]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1970

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