Seiko Cal. 6640 - 383

This Automatic model from 1983 features a 34mm PVD Black case. With its 19mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-32e85638f199]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1983

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