Seiko Cal. 4528 - 801

This Spring Drive model from 1978 features a 37mm Hardlex-Coated Steel case. Powered by the 4528 caliber with 24j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-566557a89552]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1978

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