Seiko Cal. 6634 - 994

The Seiko 6634-994 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-a85f3f4512c9]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

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