Seiko Cal. 4528 - 385

This Spring Drive model from 1976 features a 42mm Two-Tone case. With its 21mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-3815ce1c0e0d]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1976

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