Seiko Cal. 7028 - 783

Released in 1970, the Cal. 7028 with design code 783 was part of Seiko's domestic market collection. With its 21mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-0884fd4affdc]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1970

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