Seiko Cal. 6691 - 210

The 6691-210 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-dd196f4b3fdf]

Also known as: Shogun, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1976

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