Seiko Cal. 7191 - 647

The Seiko 7191-647 represents an important milestone in Seiko's 1976 lineup. Powered by the 7191 caliber with 33j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-e44932c8f2ff]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1976

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