Seiko Cal. 4528 - 253

This Spring Drive model from 1973 features a 42mm PVD Black case. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-a45309896f7f]

Also known as: Bellmatic, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1973

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