Seiko Cal. 4520 - 189

The 4520-189 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-51e75439c1a6]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1977

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