Seiko Cal. 6691 - 137

This Quartz model from 1976 features a 43mm Stainless Steel case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-c5cc8553c746]

Also known as: Navigator, Emperor

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1976

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