Seiko Cal. 5635 - 487

The Seiko 5635-487 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-24f5afaf4be5]

Also known as: Turtle, Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1975

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