Seiko Cal. 4420 - 358

The 4420-358 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c8f61ca35fd1]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1971

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