Seiko Cal. 5668 - 569

Released in 1975, the Cal. 5668 with design code 569 was part of Seiko's domestic market collection. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-323feb4bf1ec]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1975

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