Seiko Cal. 5684 - 451

This Spring Drive model from 1974 features a 36mm PVD Black case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-a6d6ce6c5c12]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1974

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