Seiko Cal. 4528 - 642

This Quartz model from 1988 features a 40mm Gold-Plated case. With its 20mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-8d81bcca12a4]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1988

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