Seiko Cal. 4490 - 678

The 4490-678 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-29dd21ef7e29]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1982

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