Seiko Cal. 6663 - 179

The Seiko 6663-179 represents an important milestone in Seiko's 1985 lineup. Powered by the 6663 caliber with 19j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-7635d02eb263]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1985

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