Seiko Cal. 7177 - 891

The Seiko 7177-891 represents an important milestone in Seiko's 1987 lineup. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-efd19a7ffeaa]

Also known as: Helmet, Rally

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1987

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