Seiko Cal. 4588 - 439

The Seiko 4588-439 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-84f33ac52d8f]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1971

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