Seiko Cal. 4556 - 432

The Seiko 4556-432 represents an important milestone in Seiko's 1984 lineup. Powered by the 4556 caliber with 23j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-0df1d1e10ef1]

Also known as: Helmet, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1984

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