Seiko Cal. 4528 - 228

The 4528-228 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4528 caliber with 25j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-f297150acd9e]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1974

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