Seiko Cal. 6691 - 200

This Hand-Winding model from 1976 features a 39mm Hardlex-Coated Steel case. With its 20mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-8fe2341e2a7a]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1976

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