Seiko Cal. 6663 - 861

The Seiko 6663-861 represents an important milestone in Seiko's 1974 lineup. Powered by the 6663 caliber with 21j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-dca4d41628ec]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1974

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