Seiko Cal. 4558 - 307

The Seiko 4558-307 represents an important milestone in Seiko's 1968 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-7860edffd864]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1968

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