Seiko Cal. 4430 - 556

The 4430-556 is a sought-after Solar piece from Seiko's golden era. Powered by the 4430 caliber with 22j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-2edbe8ddae4f]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1981

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