Seiko Cal. 0783 - 636

This Spring Drive model from 1982 features a 40mm PVD Black case. With its 21mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-2a18c91b0fcc]

Also known as: World Timer, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1982

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