Seiko Cal. 6691 - 432

The Seiko 6691-432 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-2cc904ab8fef]

Also known as: Monster, Pogue

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1971

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