Seiko Cal. 4528 - 422

The 4528-422 is a sought-after Solar piece from Seiko's golden era. Powered by the 4528 caliber with 31j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-544c1ee4e7df]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1986

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