Seiko Cal. 6691 - 983

The Seiko 6691-983 represents an important milestone in Seiko's 1979 lineup. It features a Green dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-962bc92c2533]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1979

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