Seiko Cal. 4430 - 556

Seiko 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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