Seiko Cal. 4528 - 657

The 4528-657 is a sought-after Solar piece from Seiko's golden era. Powered by the 4528 caliber with 19j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-aca8eab79b9a]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1976

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