Seiko Cal. 4455 - 728

The Seiko 4455-728 represents an important milestone in Seiko's 1988 lineup. With its 22mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-5c6da94cbbe6]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1988

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