Seiko Cal. 6691 - 240

The Seiko 6691-240 represents an important milestone in Seiko's 1979 lineup. It features a Silver dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-9a419b3f22b1]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1979

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