Seiko Cal. 4556 - 178

The 4556-178 is a sought-after Solar piece from Seiko's golden era. Powered by the 4556 caliber with 19j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-9fe3f746548b]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1975

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