Seiko Cal. 6391 - 649

Released in 1979, the Cal. 6391 with design code 649 was part of Seiko's domestic market collection. With its 22mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-b82828be6fc4]

Also known as: Goldfeather, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1979

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