Seiko Cal. 4490 - 230

The 4490-230 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a002c7fdc8bf]

Also known as: Sumo, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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