Seiko Cal. 0728 - 640

This Solar model from 1988 features a 46mm Two-Tone case. With its 22mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-a8a5e89a1754]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1988

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