Seiko Cal. 6691 - 393

This Quartz model from 1971 features a 36mm PVD Black case. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-0ed516518acf]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1971

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