Seiko Cal. 4420 - 583

The 4420-583 is a sought-after Solar piece from Seiko's golden era. Powered by the 4420 caliber with 18j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-c52f95d04b25]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1983

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