Seiko Cal. 6677 - 171

The Seiko 6677-171 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-a948a9124a17]

Also known as: Helmet, Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1971

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