Seiko Cal. 6661 - 306

The Seiko 6661-306 represents an important milestone in Seiko's 1997 lineup. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-1889463a4b7a]

Also known as: Panda, Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1997

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