Seiko Cal. 0728 - 645

The Seiko 0728-645 represents an important milestone in Seiko's 1978 lineup. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-0147476e9c6c]

Also known as: Rally, Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1978

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