Seiko Cal. 6140 - 991

The Seiko 6140-991 represents an important milestone in Seiko's 1994 lineup. With its 19mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-71e5ee6a2d2c]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1994

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