Seiko Cal. 4556 - 432

Seiko 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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