Seiko Cal. 5681 - 667

The Seiko 5681-667 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-258059605824]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1975

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