Seiko Cal. 5691 - 180

The Seiko 5691-180 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-49e93482e358]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1972

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