Seiko Cal. 6646 - 774

The Seiko 6646-774 represents an important milestone in Seiko's 1982 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-24ff89fb4415]

Also known as: Navigator, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1982

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