Seiko Cal. 4528 - 931

The 4528-931 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-48fa8cacc41a]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1971

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