Seiko Cal. 4525 - 957

The Seiko 4525-957 represents an important milestone in Seiko's 1979 lineup. Powered by the 4525 caliber with 29j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-486cd626b9c1]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1979

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