Seiko Cal. 5677 - 640

The Seiko 5677-640 represents an important milestone in Seiko's 1989 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ef7e26934184]

Also known as: Sea Horse, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1989

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