Seiko Cal. 4597 - 821

The Seiko 4597-821 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-4be9bcbdf55c]

Also known as: Turtle, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1966

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