Seiko Cal. 6691 - 999

This Spring Drive model from 1976 features a 44mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-2f23e1ff7abb]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1976

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