Seiko Cal. 6647 - 426

The Seiko 6647-426 represents an important milestone in Seiko's 1989 lineup. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-31016b8a05a7]

Also known as: Panda, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1989

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