Seiko Cal. 4556 - 375

This Spring Drive model from 1969 features a 43mm PVD Black case. Powered by the 4556 caliber with 34j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-31a7d5cab998]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1969

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