Seiko Cal. 4530 - 973

The Seiko 4530-973 represents an important milestone in Seiko's 1966 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-09c3ab54669f]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1966

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