Seiko Cal. 6648 - 161

This Spring Drive model from 1968 features a 40mm Hardlex-Coated Steel case. Powered by the 6648 caliber with 19j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-ef3fa150fa43]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1968

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