Seiko Cal. 7171 - 931

The Seiko 7171-931 represents an important milestone in Seiko's 1989 lineup. Powered by the 7171 caliber with 32j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-70fc3df817c6]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1989

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