Seiko Cal. 6638 - 985

Released in 1968, the Cal. 6638 with design code 985 was part of Seiko's domestic market collection. With its 21mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-39acee2df5ff]

Also known as: Goldfeather, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1968

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