Seiko Cal. 6171 - 721

The Seiko 6171-721 represents an important milestone in Seiko's 1991 lineup. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-bed84ab24596]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1991

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