Seiko Cal. 4528 - 450

The 4528-450 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4528 caliber with 29j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-5faf3794be7a]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1983

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