Seiko Cal. 5230 - 304

The Seiko 5230-304 represents an important milestone in Seiko's 1967 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-34ddbcfb6bcb]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1967

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