Seiko Cal. 6634 - 851

Released in 1981, the Cal. 6634 with design code 851 was part of Seiko's domestic market collection. With its 19mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-7bd51aa65913]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1981

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