Seiko Cal. 6631 - 261

The Seiko 6631-261 represents an important milestone in Seiko's 1985 lineup. With its 19mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-e4ee08312efd]

Also known as: Panda

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1985

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