Seiko Cal. 6668 - 722

Released in 1987, the Cal. 6668 with design code 722 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-46b12e759f7e]

Also known as: Shogun, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1987

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