Seiko Cal. 4528 - 809

This Quartz model from 1981 features a 39mm Gold-Plated case. Powered by the 4528 caliber with 25j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-13e0df4d840b]

Also known as: Helmet, Rally

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1981

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