Seiko Cal. 6397 - 716

The Seiko 6397-716 represents an important milestone in Seiko's 1966 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-aa0ce29f912a]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1966

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