Seiko Cal. 0728 - 737

The Seiko 0728-737 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-cafa3c2d48f0]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1977

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