Seiko Cal. 5681 - 899

The Seiko 5681-899 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-01e0d55420f8]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1965

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