Seiko Cal. 5633 - 538

The Seiko 5633-538 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-914491857970]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1970

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