Seiko Cal. 6648 - 964

The Seiko 6648-964 represents an important milestone in Seiko's 1973 lineup. Powered by the 6648 caliber with 21j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-e010360df0f4]

Also known as: Goldfeather, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1973

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