Seiko Cal. 4520 - 734

The Seiko 4520-734 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-51711e55dbc6]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1969

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