Seiko Cal. 4520 - 226

The Seiko 4520-226 represents an important milestone in Seiko's 1973 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d61a72c3d6a8]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1973

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