Seiko Cal. 4557 - 526

The 4557-526 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4557 caliber with 28j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-079be903aee5]

Also known as: Goldfeather, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1968

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