Seiko Cal. 7028 - 918

The Seiko 7028-918 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-2202ef54952b]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1971

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