Seiko Cal. 4420 - 581

The 4420-581 is a sought-after Solar piece from Seiko's golden era. Powered by the 4420 caliber with 36j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-a427780a440f]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1986

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