Seiko Cal. 4528 - 907

This Spring Drive model from 1971 features a 38mm Gold-Plated case. Powered by the 4528 caliber with 22j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-87c61e964af4]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1971

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