Seiko Cal. 4520 - 328

The Seiko 4520-328 represents an important milestone in Seiko's 1969 lineup. Powered by the 4520 caliber with 17j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-bc95c948f2e7]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1969

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