Seiko Cal. 6691 - 779

The 6691-779 is a sought-after Quartz piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-716fa1afbbbe]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1984

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