Seiko Cal. 6626 - 840

The Seiko 6626-840 represents an important milestone in Seiko's 1989 lineup. With its 19mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-142010f21248]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1989

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