Seiko Cal. 7191 - 137

Released in 1991, the Cal. 7191 with design code 137 was part of Seiko's domestic market collection. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-01fcf35eae83]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1991

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