Seiko Cal. 5663 - 301

The Seiko 5663-301 represents an important milestone in Seiko's 1976 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c66116f960b4]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1976

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