Seiko Cal. 4515 - 539

This Spring Drive model from 1978 features a 36mm Hardlex-Coated Steel case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-dcbe1cd74d35]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1978

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