Seiko Cal. 5681 - 451

The Seiko 5681-451 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-0a3eda40db3b]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1973

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