Seiko Cal. 4515 - 635

This Spring Drive model from 1982 features a 35mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-98a36d54e72f]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1982

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