Seiko Cal. 6623 - 878

The Seiko 6623-878 represents an important milestone in Seiko's 1971 lineup. Powered by the 6623 caliber with 17j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-6cbb2acbc2df]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1971

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