Seiko Cal. 7028 - 631

This Hand-Winding model from 1973 features a 43mm Hardlex-Coated Steel case. With its 21mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-27f2c9da0ccc]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1973

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