Seiko Cal. 3823 - 540

This Solar model from 1980 features a 40mm PVD Black case. With its 20mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-281905a2432a]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1980

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