Seiko Cal. 4520 - 836

The Seiko 4520-836 represents an important milestone in Seiko's 1989 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-9607b0d270ae]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1989

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