Seiko Cal. 0728 - 200

This Spring Drive model from 1981 features a 36mm Two-Tone case. With its 19mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-823c948dc657]

Also known as: Sumo, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1981

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