Seiko Cal. 6347 - 831

This Automatic model from 1968 features a 43mm PVD Black case. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-b70e4f8d282f]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1968

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