Seiko Cal. 7091 - 861

The Seiko 7091-861 represents an important milestone in Seiko's 1991 lineup. Powered by the 7091 caliber with 28j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-8c1b6a3cb0d2]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1991

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