Seiko Cal. 5684 - 556

The Seiko 5684-556 represents an important milestone in Seiko's 1966 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-e11ba2194474]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1966

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