Seiko Cal. 6691 - 980

The Seiko 6691-980 represents an important milestone in Seiko's 1975 lineup. It features a Cream dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-ea9acb867ad0]

Also known as: Bellmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1975

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