Seiko Cal. 4520 - 317

The Seiko 4520-317 represents an important milestone in Seiko's 1973 lineup. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-ad4cda14bf7c]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1973

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