Seiko Cal. 7166 - 720

The Seiko 7166-720 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-16c7b3ac3f82]

Also known as: Sea Horse, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1971

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