Seiko Cal. 7161 - 999

The Seiko 7161-999 represents an important milestone in Seiko's 1990 lineup. With its 21mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-8bda8e5e6bdd]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1990

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