Seiko Cal. 6684 - 556

The Seiko 6684-556 represents an important milestone in Seiko's 1981 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-1f6bd6be4c69]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1981

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