Seiko Cal. 0728 - 556

The Seiko 0728-556 represents an important milestone in Seiko's 1980 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-566eb16c2014]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1980

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